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אורך גל – ויקיפדיה

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href="/w/index.php?title=%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%9B%D7%A0%D7%99%D7%A1%D7%94_%D7%9C%D7%97%D7%A9%D7%91%D7%95%D7%9F&amp;returnto=%D7%90%D7%95%D7%A8%D7%9A+%D7%92%D7%9C" title="מומלץ להיכנס לחשבון, אך אין חובה לעשות זאת [o]" accesskey="o" class=""><span>כניסה לחשבון</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="אפשרויות נוספות" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="כלים אישיים" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">כלים אישיים</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="תפריט משתמש" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=C13_he.wikipedia.org&amp;uselang=he"><span>תרומה לוויקיפדיה</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%94%D7%A8%D7%A9%D7%9E%D7%94_%D7%9C%D7%97%D7%A9%D7%91%D7%95%D7%9F&amp;returnto=%D7%90%D7%95%D7%A8%D7%9A+%D7%92%D7%9C" title="מומלץ ליצור חשבון ולהיכנס אליו, אך אין חובה לעשות זאת"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>יצירת חשבון</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%9B%D7%A0%D7%99%D7%A1%D7%94_%D7%9C%D7%97%D7%A9%D7%91%D7%95%D7%9F&amp;returnto=%D7%90%D7%95%D7%A8%D7%9A+%D7%92%D7%9C" title="מומלץ להיכנס לחשבון, אך אין חובה לעשות זאת [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>כניסה לחשבון</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> דפים לעורכים שלא נכנסו לחשבון <a href="/wiki/%D7%A2%D7%96%D7%A8%D7%94:%D7%91%D7%A8%D7%95%D7%9B%D7%99%D7%9D_%D7%94%D7%91%D7%90%D7%99%D7%9D" aria-label="מידע נוסף על עריכה"><span>מידע נוסף</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%94%D7%AA%D7%A8%D7%95%D7%9E%D7%95%D7%AA_%D7%A9%D7%9C%D7%99" title="רשימת העריכות שנעשו מכתובת IP זו [y]" accesskey="y"><span>תרומות</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%D7%9E%D7%99%D7%95%D7%97%D7%93:%D7%94%D7%A9%D7%99%D7%97%D7%94_%D7%A9%D7%9C%D7%99" title="דיון על העריכות שנעשו מכתובת IP זו [n]" accesskey="n"><span>שיחה</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><div id="mw-dismissablenotice-anonplace"></div><script>(function(){var node=document.getElementById("mw-dismissablenotice-anonplace");if(node){node.outerHTML="\u003Cdiv class=\"mw-dismissable-notice\"\u003E\u003Cdiv class=\"mw-dismissable-notice-close\"\u003E[\u003Ca tabindex=\"0\" role=\"button\"\u003Eהסתרה\u003C/a\u003E]\u003C/div\u003E\u003Cdiv 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">העברה לסרגל הצד</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">הסתרה</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">התחלה</div> </a> </li> <li id="toc-הגדרה" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#הגדרה"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>הגדרה</span> </div> </a> <ul id="toc-הגדרה-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-גל_סינוסי" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#גל_סינוסי"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>גל סינוסי</span> </div> </a> <ul id="toc-גל_סינוסי-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-ראו_גם" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#ראו_גם"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>ראו גם</span> </div> </a> <ul id="toc-ראו_גם-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-קישורים_חיצוניים" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#קישורים_חיצוניים"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>קישורים חיצוניים</span> </div> </a> <ul id="toc-קישורים_חיצוניים-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="תוכן עניינים" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="מצב תוכן העניינים" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">מצב תוכן העניינים</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">אורך גל</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="מעבר לערך בשפה אחרת. זמין ב־98 שפות" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-98" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">98 שפות</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Wavelength" title="Wavelength – אנגלית" lang="en" hreflang="en" data-title="Wavelength" data-language-autonym="English" data-language-local-name="אנגלית" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Golflengte" title="Golflengte – אפריקאנס" lang="af" hreflang="af" data-title="Golflengte" data-language-autonym="Afrikaans" data-language-local-name="אפריקאנס" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B7%D9%88%D9%84_%D8%A7%D9%84%D9%85%D9%88%D8%AC%D8%A9" title="طول الموجة – ערבית" lang="ar" hreflang="ar" data-title="طول الموجة" data-language-autonym="العربية" data-language-local-name="ערבית" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B7%D9%88%D9%84_%D9%85%D9%88%D8%AC%D9%8A" title="طول موجي – מרוקאית" lang="ary" hreflang="ary" data-title="طول موجي" data-language-autonym="الدارجة" data-language-local-name="מרוקאית" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Llonxit%C3%BA_d%27onda" title="Llonxitú d&#039;onda – אסטורית" lang="ast" hreflang="ast" data-title="Llonxitú d&#039;onda" data-language-autonym="Asturianu" data-language-local-name="אסטורית" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Dal%C4%9Fa_uzunlu%C4%9Fu" title="Dalğa uzunluğu – אזרית" lang="az" hreflang="az" data-title="Dalğa uzunluğu" data-language-autonym="Azərbaycanca" data-language-local-name="אזרית" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%AF%D8%A7%D9%84%D8%BA%D8%A7_%D8%A8%D9%88%DB%8C%D9%88" title="دالغا بویو – אזרבייג׳נית דרומית" lang="azb" hreflang="azb" data-title="دالغا بویو" data-language-autonym="تۆرکجه" data-language-local-name="אזרבייג׳נית דרומית" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/W%C3%B6%C3%B6nl%C3%A4ng" title="Wöönläng – בווארית" lang="bar" hreflang="bar" data-title="Wöönläng" data-language-autonym="Boarisch" data-language-local-name="בווארית" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%94%D0%B0%D1%9E%D0%B6%D1%8B%D0%BD%D1%8F_%D1%85%D0%B2%D0%B0%D0%BB%D1%96" title="Даўжыня хвалі – בלארוסית" lang="be" hreflang="be" data-title="Даўжыня хвалі" data-language-autonym="Беларуская" data-language-local-name="בלארוסית" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%94%D0%B0%D1%9E%D0%B6%D1%8B%D0%BD%D1%8F_%D1%85%D0%B2%D0%B0%D0%BB%D1%96" title="Даўжыня хвалі – בלארוסית טרשקביץ׳" lang="be-tarask" hreflang="be-tarask" data-title="Даўжыня хвалі" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="בלארוסית טרשקביץ׳" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%94%D1%8A%D0%BB%D0%B6%D0%B8%D0%BD%D0%B0_%D0%BD%D0%B0_%D0%B2%D1%8A%D0%BB%D0%BD%D0%B0%D1%82%D0%B0" title="Дължина на вълната – בולגרית" lang="bg" hreflang="bg" data-title="Дължина на вълната" data-language-autonym="Български" data-language-local-name="בולגרית" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A4%E0%A6%B0%E0%A6%99%E0%A7%8D%E0%A6%97_%E0%A6%A6%E0%A7%88%E0%A6%B0%E0%A7%8D%E0%A6%98%E0%A7%8D%E0%A6%AF" title="তরঙ্গ দৈর্ঘ্য – בנגלית" lang="bn" hreflang="bn" data-title="তরঙ্গ দৈর্ঘ্য" data-language-autonym="বাংলা" data-language-local-name="בנגלית" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Hirder_gwagenn" title="Hirder gwagenn – ברטונית" lang="br" hreflang="br" data-title="Hirder gwagenn" data-language-autonym="Brezhoneg" data-language-local-name="ברטונית" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Talasna_du%C5%BEina" title="Talasna dužina – בוסנית" lang="bs" hreflang="bs" data-title="Talasna dužina" data-language-autonym="Bosanski" data-language-local-name="בוסנית" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Longitud_d%27ona" title="Longitud d&#039;ona – קטלאנית" lang="ca" hreflang="ca" data-title="Longitud d&#039;ona" data-language-autonym="Català" data-language-local-name="קטלאנית" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AF%D8%B1%DB%8E%DA%98%DB%8C%DB%8C_%D8%B4%DB%95%D9%BE%DB%86%D9%84" title="درێژیی شەپۆل – כורדית סוראנית" lang="ckb" hreflang="ckb" data-title="درێژیی شەپۆل" data-language-autonym="کوردی" data-language-local-name="כורדית סוראנית" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Vlnov%C3%A1_d%C3%A9lka" title="Vlnová délka – צ׳כית" lang="cs" hreflang="cs" data-title="Vlnová délka" data-language-autonym="Čeština" data-language-local-name="צ׳כית" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Tonfedd" title="Tonfedd – ולשית" lang="cy" hreflang="cy" data-title="Tonfedd" data-language-autonym="Cymraeg" data-language-local-name="ולשית" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/B%C3%B8lgel%C3%A6ngde" title="Bølgelængde – דנית" lang="da" hreflang="da" data-title="Bølgelængde" data-language-autonym="Dansk" data-language-local-name="דנית" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Wellenl%C3%A4nge" title="Wellenlänge – גרמנית" lang="de" hreflang="de" data-title="Wellenlänge" data-language-autonym="Deutsch" data-language-local-name="גרמנית" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9C%CE%AE%CE%BA%CE%BF%CF%82_%CE%BA%CF%8D%CE%BC%CE%B1%CF%84%CE%BF%CF%82" title="Μήκος κύματος – יוונית" lang="el" hreflang="el" data-title="Μήκος κύματος" data-language-autonym="Ελληνικά" data-language-local-name="יוונית" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ondolongo" title="Ondolongo – אספרנטו" lang="eo" hreflang="eo" data-title="Ondolongo" data-language-autonym="Esperanto" data-language-local-name="אספרנטו" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Longitud_de_onda" title="Longitud de onda – ספרדית" lang="es" hreflang="es" data-title="Longitud de onda" data-language-autonym="Español" data-language-local-name="ספרדית" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Lainepikkus" title="Lainepikkus – אסטונית" lang="et" hreflang="et" data-title="Lainepikkus" data-language-autonym="Eesti" data-language-local-name="אסטונית" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Uhin-luzera" title="Uhin-luzera – בסקית" lang="eu" hreflang="eu" data-title="Uhin-luzera" data-language-autonym="Euskara" data-language-local-name="בסקית" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B7%D9%88%D9%84_%D9%85%D9%88%D8%AC" title="طول موج – פרסית" lang="fa" hreflang="fa" data-title="طول موج" data-language-autonym="فارسی" data-language-local-name="פרסית" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Aallonpituus" title="Aallonpituus – פינית" lang="fi" hreflang="fi" data-title="Aallonpituus" data-language-autonym="Suomi" data-language-local-name="פינית" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Longueur_d%27onde" title="Longueur d&#039;onde – צרפתית" lang="fr" hreflang="fr" data-title="Longueur d&#039;onde" data-language-autonym="Français" data-language-local-name="צרפתית" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Waagenlengde" title="Waagenlengde – פריזית צפונית" lang="frr" hreflang="frr" data-title="Waagenlengde" data-language-autonym="Nordfriisk" data-language-local-name="פריזית צפונית" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Weachlingte" title="Weachlingte – פריזית מערבית" lang="fy" hreflang="fy" data-title="Weachlingte" data-language-autonym="Frysk" data-language-local-name="פריזית מערבית" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Tonnfhad" title="Tonnfhad – אירית" lang="ga" hreflang="ga" data-title="Tonnfhad" data-language-autonym="Gaeilge" data-language-local-name="אירית" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Tonn-fhad" title="Tonn-fhad – גאלית סקוטית" lang="gd" hreflang="gd" data-title="Tonn-fhad" data-language-autonym="Gàidhlig" data-language-local-name="גאלית סקוטית" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Lonxitude_de_onda" title="Lonxitude de onda – גליסית" lang="gl" hreflang="gl" data-title="Lonxitude de onda" data-language-autonym="Galego" data-language-local-name="גליסית" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%A4%E0%AA%B0%E0%AA%82%E0%AA%97%E0%AA%B2%E0%AA%82%E0%AA%AC%E0%AA%BE%E0%AA%88" title="તરંગલંબાઈ – גוג׳ארטי" lang="gu" hreflang="gu" data-title="તરંગલંબાઈ" data-language-autonym="ગુજરાતી" data-language-local-name="גוג׳ארטי" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A4%E0%A4%B0%E0%A4%82%E0%A4%97%E0%A4%A6%E0%A5%88%E0%A4%B0%E0%A5%8D%E0%A4%98%E0%A5%8D%E0%A4%AF" title="तरंगदैर्घ्य – הינדי" lang="hi" hreflang="hi" data-title="तरंगदैर्घ्य" data-language-autonym="हिन्दी" data-language-local-name="הינדי" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Valna_duljina" title="Valna duljina – קרואטית" lang="hr" hreflang="hr" data-title="Valna duljina" data-language-autonym="Hrvatski" data-language-local-name="קרואטית" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Long%C3%A8donn" title="Longèdonn – קראולית האיטית" lang="ht" hreflang="ht" data-title="Longèdonn" data-language-autonym="Kreyòl ayisyen" data-language-local-name="קראולית האיטית" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Hull%C3%A1mhossz" title="Hullámhossz – הונגרית" lang="hu" hreflang="hu" data-title="Hullámhossz" data-language-autonym="Magyar" data-language-local-name="הונגרית" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B1%D5%AC%D5%AB%D6%84%D5%AB_%D5%A5%D6%80%D5%AF%D5%A1%D6%80%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6" title="Ալիքի երկարություն – ארמנית" lang="hy" hreflang="hy" data-title="Ալիքի երկարություն" data-language-autonym="Հայերեն" data-language-local-name="ארמנית" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Panjang_gelombang" title="Panjang gelombang – אינדונזית" lang="id" hreflang="id" data-title="Panjang gelombang" data-language-autonym="Bahasa Indonesia" data-language-local-name="אינדונזית" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Bylgjulengd" title="Bylgjulengd – איסלנדית" lang="is" hreflang="is" data-title="Bylgjulengd" data-language-autonym="Íslenska" data-language-local-name="איסלנדית" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Lunghezza_d%27onda" title="Lunghezza d&#039;onda – איטלקית" lang="it" hreflang="it" data-title="Lunghezza d&#039;onda" data-language-autonym="Italiano" data-language-local-name="איטלקית" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%B3%A2%E9%95%B7" title="波長 – יפנית" lang="ja" hreflang="ja" data-title="波長" data-language-autonym="日本語" data-language-local-name="יפנית" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A2%E1%83%90%E1%83%9A%E1%83%A6%E1%83%98%E1%83%A1_%E1%83%A1%E1%83%98%E1%83%92%E1%83%A0%E1%83%AB%E1%83%94" title="ტალღის სიგრძე – גאורגית" lang="ka" hreflang="ka" data-title="ტალღის სიგრძე" data-language-autonym="ქართული" data-language-local-name="גאורגית" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BB%D2%9B%D1%8B%D0%BD_%D2%B1%D0%B7%D1%8B%D0%BD%D0%B4%D1%8B%D2%93%D1%8B" title="Толқын ұзындығы – קזחית" lang="kk" hreflang="kk" data-title="Толқын ұзындығы" data-language-autonym="Қазақша" data-language-local-name="קזחית" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8C%8C%EC%9E%A5" title="파장 – קוריאנית" lang="ko" hreflang="ko" data-title="파장" data-language-autonym="한국어" data-language-local-name="קוריאנית" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/P%C3%AAldir%C3%AAjah%C3%AE" title="Pêldirêjahî – כורדית כורמנג׳ית" lang="ku" hreflang="ku" data-title="Pêldirêjahî" data-language-autonym="Kurdî" data-language-local-name="כורדית כורמנג׳ית" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A2%D0%BE%D0%BB%D0%BA%D1%83%D0%BD_%D1%83%D0%B7%D1%83%D0%BD%D0%B4%D1%83%D0%B3%D1%83" title="Толкун узундугу – קירגיזית" lang="ky" hreflang="ky" data-title="Толкун узундугу" data-language-autonym="Кыргызча" data-language-local-name="קירגיזית" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Longitudo_undae" title="Longitudo undae – לטינית" lang="la" hreflang="la" data-title="Longitudo undae" data-language-autonym="Latina" data-language-local-name="לטינית" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Wellel%C3%A4ngt" title="Wellelängt – לוקסמבורגית" lang="lb" hreflang="lb" data-title="Wellelängt" data-language-autonym="Lëtzebuergesch" data-language-local-name="לוקסמבורגית" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Bangos_ilgis" title="Bangos ilgis – ליטאית" lang="lt" hreflang="lt" data-title="Bangos ilgis" data-language-autonym="Lietuvių" data-language-local-name="ליטאית" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Vi%C4%BC%C5%86a_garums" title="Viļņa garums – לטבית" lang="lv" hreflang="lv" data-title="Viļņa garums" data-language-autonym="Latviešu" data-language-local-name="לטבית" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%91%D1%80%D0%B0%D0%BD%D0%BE%D0%B2%D0%B0_%D0%B4%D0%BE%D0%BB%D0%B6%D0%B8%D0%BD%D0%B0" title="Бранова должина – מקדונית" lang="mk" hreflang="mk" data-title="Бранова должина" data-language-autonym="Македонски" data-language-local-name="מקדונית" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%A4%E0%B4%B0%E0%B4%82%E0%B4%97%E0%B4%A6%E0%B5%88%E0%B5%BC%E0%B4%98%E0%B5%8D%E0%B4%AF%E0%B4%82" title="തരംഗദൈർഘ്യം – מליאלאם" lang="ml" hreflang="ml" data-title="തരംഗദൈർഘ്യം" data-language-autonym="മലയാളം" data-language-local-name="מליאלאם" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%94%D0%BE%D0%BB%D0%B3%D0%B8%D0%BE%D0%BD%D1%8B_%D1%83%D1%80%D1%82" title="Долгионы урт – מונגולית" lang="mn" hreflang="mn" data-title="Долгионы урт" data-language-autonym="Монгол" data-language-local-name="מונגולית" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%A4%E0%A4%B0%E0%A4%82%E0%A4%97%E0%A4%B2%E0%A4%BE%E0%A4%82%E0%A4%AC%E0%A5%80" title="तरंगलांबी – מראטהית" lang="mr" hreflang="mr" data-title="तरंगलांबी" data-language-autonym="मराठी" data-language-local-name="מראטהית" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Panjang_gelombang" title="Panjang gelombang – מלאית" lang="ms" hreflang="ms" data-title="Panjang gelombang" data-language-autonym="Bahasa Melayu" data-language-local-name="מלאית" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/B%C3%BClgenl%C3%A4ng" title="Bülgenläng – גרמנית תחתית" lang="nds" hreflang="nds" data-title="Bülgenläng" data-language-autonym="Plattdüütsch" data-language-local-name="גרמנית תחתית" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Golflengte" title="Golflengte – הולנדית" lang="nl" hreflang="nl" data-title="Golflengte" data-language-autonym="Nederlands" data-language-local-name="הולנדית" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/B%C3%B8lgjelengd" title="Bølgjelengd – נורווגית חדשה" lang="nn" hreflang="nn" data-title="Bølgjelengd" data-language-autonym="Norsk nynorsk" data-language-local-name="נורווגית חדשה" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/B%C3%B8lgelengde" title="Bølgelengde – נורווגית ספרותית" lang="nb" hreflang="nb" data-title="Bølgelengde" data-language-autonym="Norsk bokmål" data-language-local-name="נורווגית ספרותית" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Longor_d%27onda" title="Longor d&#039;onda – אוקסיטנית" lang="oc" hreflang="oc" data-title="Longor d&#039;onda" data-language-autonym="Occitan" data-language-local-name="אוקסיטנית" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Dambalii" title="Dambalii – אורומו" lang="om" hreflang="om" data-title="Dambalii" data-language-autonym="Oromoo" data-language-local-name="אורומו" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%9B%E0%A9%B1%E0%A8%B2-%E0%A8%B2%E0%A9%B0%E0%A8%AC%E0%A8%BE%E0%A8%88" title="ਛੱਲ-ਲੰਬਾਈ – פנג׳אבי" lang="pa" hreflang="pa" data-title="ਛੱਲ-ਲੰਬਾਈ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="פנג׳אבי" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/D%C5%82ugo%C5%9B%C4%87_fali" title="Długość fali – פולנית" lang="pl" hreflang="pl" data-title="Długość fali" data-language-autonym="Polski" data-language-local-name="פולנית" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%84%DB%81%D8%B1_%D9%84%D9%85%D8%A8%D8%A7%D8%A6%DB%8C" title="لہر لمبائی – פנג׳בית מערבית" lang="pnb" hreflang="pnb" data-title="لہر لمبائی" data-language-autonym="پنجابی" data-language-local-name="פנג׳בית מערבית" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DA%85%D9%BE%D9%88%D8%A7%D9%BC%D9%86" title="څپواټن – פשטו" lang="ps" hreflang="ps" data-title="څپواټن" data-language-autonym="پښتو" data-language-local-name="פשטו" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Comprimento_de_onda" title="Comprimento de onda – פורטוגזית" lang="pt" hreflang="pt" data-title="Comprimento de onda" data-language-autonym="Português" data-language-local-name="פורטוגזית" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Lungime_de_und%C4%83" title="Lungime de undă – רומנית" lang="ro" hreflang="ro" data-title="Lungime de undă" data-language-autonym="Română" data-language-local-name="רומנית" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%94%D0%BB%D0%B8%D0%BD%D0%B0_%D0%B2%D0%BE%D0%BB%D0%BD%D1%8B" title="Длина волны – רוסית" lang="ru" hreflang="ru" data-title="Длина волны" data-language-autonym="Русский" data-language-local-name="רוסית" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%92%D0%BE%D0%B2%D0%BD%D0%BE%D0%B2%D0%B0_%D0%B4%D0%BE%D0%B2%D0%B6%D0%BA%D0%B0" title="Вовнова довжка – רוסינית קרפטית" lang="rue" hreflang="rue" data-title="Вовнова довжка" data-language-autonym="Русиньскый" data-language-local-name="רוסינית קרפטית" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Valna_du%C5%BEina" title="Valna dužina – סרבו-קרואטית" lang="sh" hreflang="sh" data-title="Valna dužina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="סרבו-קרואטית" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%AD%E0%B6%BB%E0%B6%82%E0%B6%9C_%E0%B6%86%E0%B6%BA%E0%B7%8F%E0%B6%B8%E0%B6%BA" title="තරංග ආයාමය – סינהלה" lang="si" hreflang="si" data-title="තරංග ආයාමය" data-language-autonym="සිංහල" data-language-local-name="סינהלה" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Wavelength" title="Wavelength – אנגלית פשוטה" lang="en-simple" hreflang="en-simple" data-title="Wavelength" data-language-autonym="Simple English" data-language-local-name="אנגלית פשוטה" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Vlnov%C3%A1_d%C4%BA%C5%BEka" title="Vlnová dĺžka – סלובקית" lang="sk" hreflang="sk" data-title="Vlnová dĺžka" data-language-autonym="Slovenčina" data-language-local-name="סלובקית" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Valovna_dol%C5%BEina" title="Valovna dolžina – סלובנית" lang="sl" hreflang="sl" data-title="Valovna dolžina" data-language-autonym="Slovenščina" data-language-local-name="סלובנית" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Dhererka_Mowjadda" title="Dhererka Mowjadda – סומלית" lang="so" hreflang="so" data-title="Dhererka Mowjadda" data-language-autonym="Soomaaliga" data-language-local-name="סומלית" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Gjat%C3%ABsia_e_val%C3%ABs" title="Gjatësia e valës – אלבנית" lang="sq" hreflang="sq" data-title="Gjatësia e valës" data-language-autonym="Shqip" data-language-local-name="אלבנית" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A2%D0%B0%D0%BB%D0%B0%D1%81%D0%BD%D0%B0_%D0%B4%D1%83%D0%B6%D0%B8%D0%BD%D0%B0" title="Таласна дужина – סרבית" lang="sr" hreflang="sr" data-title="Таласна дужина" data-language-autonym="Српски / srpski" data-language-local-name="סרבית" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/V%C3%A5gl%C3%A4ngd" title="Våglängd – שוודית" lang="sv" hreflang="sv" data-title="Våglängd" data-language-autonym="Svenska" data-language-local-name="שוודית" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Masafa_ya_mawimbi" title="Masafa ya mawimbi – סווהילי" lang="sw" hreflang="sw" data-title="Masafa ya mawimbi" data-language-autonym="Kiswahili" data-language-local-name="סווהילי" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%85%E0%AE%B2%E0%AF%88%E0%AE%A8%E0%AF%80%E0%AE%B3%E0%AE%AE%E0%AF%8D" title="அலைநீளம் – טמילית" lang="ta" hreflang="ta" data-title="அலைநீளம்" data-language-autonym="தமிழ்" data-language-local-name="טמילית" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%A4%E0%B0%B0%E0%B0%82%E0%B0%97_%E0%B0%A6%E0%B1%88%E0%B0%B0%E0%B1%8D%E0%B0%98%E0%B1%8D%E0%B0%AF%E0%B0%82" title="తరంగ దైర్ఘ్యం – טלוגו" lang="te" hreflang="te" data-title="తరంగ దైర్ఘ్యం" data-language-autonym="తెలుగు" data-language-local-name="טלוגו" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%90%D0%B4%D0%B0%D0%B4%D0%B8_%D0%BC%D0%B0%D0%B2%D2%B7%D3%A3" title="Адади мавҷӣ – טג׳יקית" lang="tg" hreflang="tg" data-title="Адади мавҷӣ" data-language-autonym="Тоҷикӣ" data-language-local-name="טג׳יקית" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%A2%E0%B8%B2%E0%B8%A7%E0%B8%84%E0%B8%A5%E0%B8%B7%E0%B9%88%E0%B8%99" title="ความยาวคลื่น – תאית" lang="th" hreflang="th" data-title="ความยาวคลื่น" data-language-autonym="ไทย" data-language-local-name="תאית" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Alonghaba" title="Alonghaba – טאגאלוג" lang="tl" hreflang="tl" data-title="Alonghaba" data-language-autonym="Tagalog" data-language-local-name="טאגאלוג" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Dalga_boyu" title="Dalga boyu – טורקית" lang="tr" hreflang="tr" data-title="Dalga boyu" data-language-autonym="Türkçe" data-language-local-name="טורקית" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%94%D1%83%D0%BB%D0%BA%D1%8B%D0%BD_%D0%BE%D0%B7%D1%8B%D0%BD%D0%BB%D1%8B%D0%B3%D1%8B" title="Дулкын озынлыгы – טטרית" lang="tt" hreflang="tt" data-title="Дулкын озынлыгы" data-language-autonym="Татарча / tatarça" data-language-local-name="טטרית" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%94%D0%BE%D0%B2%D0%B6%D0%B8%D0%BD%D0%B0_%D1%85%D0%B2%D0%B8%D0%BB%D1%96" title="Довжина хвилі – אוקראינית" lang="uk" hreflang="uk" data-title="Довжина хвилі" data-language-autonym="Українська" data-language-local-name="אוקראינית" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B7%D9%88%D9%84%D9%90_%D9%85%D9%88%D8%AC" title="طولِ موج – אורדו" lang="ur" hreflang="ur" data-title="طولِ موج" data-language-autonym="اردو" data-language-local-name="אורדו" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/To%CA%BBlqin_uzunligi" title="Toʻlqin uzunligi – אוזבקית" lang="uz" hreflang="uz" data-title="Toʻlqin uzunligi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="אוזבקית" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Longhesa_d%27onda" title="Longhesa d&#039;onda – ונציאנית" lang="vec" hreflang="vec" data-title="Longhesa d&#039;onda" data-language-autonym="Vèneto" data-language-local-name="ונציאנית" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/B%C6%B0%E1%BB%9Bc_s%C3%B3ng" title="Bước sóng – וייטנאמית" lang="vi" hreflang="vi" data-title="Bước sóng" data-language-autonym="Tiếng Việt" data-language-local-name="וייטנאמית" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%B3%A2%E9%95%BF" title="波长 – סינית וו" lang="wuu" hreflang="wuu" data-title="波长" data-language-autonym="吴语" data-language-local-name="סינית וו" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B3%A2%E9%95%BF" title="波长 – סינית" lang="zh" hreflang="zh" data-title="波长" data-language-autonym="中文" data-language-local-name="סינית" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Pho-tn%CC%82g" title="Pho-tn̂g – מין נאנית" lang="nan" hreflang="nan" data-title="Pho-tn̂g" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="מין נאנית" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%B3%A2%E9%95%B7" title="波長 – קנטונזית" lang="yue" hreflang="yue" data-title="波長" data-language-autonym="粵語" data-language-local-name="קנטונזית" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/IBangacuphi" title="IBangacuphi – זולו" lang="zu" hreflang="zu" data-title="IBangacuphi" data-language-autonym="IsiZulu" data-language-local-name="זולו" class="interlanguage-link-target"><span>IsiZulu</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q41364#sitelinks-wikipedia" title="עריכת קישורים בין־לשוניים" class="wbc-editpage">עריכת הקישורים</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav 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class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Wavelength" hreflang="en"><span>ויקישיתוף</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q41364" title="קישור לפריט המשויך במאגר הנתונים [g]" accesskey="g"><span>פריט ויקינתונים</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="כלי דף"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="מראה"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">מראה</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">העברה לסרגל הצד</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">הסתרה</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">מתוך ויקיפדיה, האנציקלופדיה החופשית</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-rtl mw-parser-output" lang="he" dir="rtl"><figure typeof="mw:File/Thumb"><a href="/wiki/%D7%A7%D7%95%D7%91%D7%A5:Wavelength_indeterminacy.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Wavelength_indeterminacy.JPG/250px-Wavelength_indeterminacy.JPG" decoding="async" width="250" height="173" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Wavelength_indeterminacy.JPG/375px-Wavelength_indeterminacy.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Wavelength_indeterminacy.JPG/500px-Wavelength_indeterminacy.JPG 2x" data-file-width="1077" data-file-height="744" /></a><figcaption>בתמונה ניתן לראות אורכי גל של שני <a href="/wiki/%D7%92%D7%9C_%D7%A8%D7%95%D7%97%D7%91" title="גל רוחב">גלי רוחב</a> בעלי <a href="/wiki/%D7%AA%D7%93%D7%99%D7%A8%D7%95%D7%AA" title="תדירות">תדירות</a> שונה. <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ v=\lambda f}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>v</mi> <mo>=</mo> <mi>&#x03BB;<!-- λ --></mi> <mi>f</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ v=\lambda f}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f01318c772d712e9667eba54d7d333b8b7d5345a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:7.441ex; height:2.509ex;" alt="{\displaystyle \ v=\lambda f}"></span> ולכן כל עוד המהירות קבועה, קיים יחס הפוך בין אורך הגל לתדירות שלו.</figcaption></figure> <figure typeof="mw:File/Thumb"><a href="/wiki/%D7%A7%D7%95%D7%91%D7%A5:Lattice_wave.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Lattice_wave.svg/250px-Lattice_wave.svg.png" decoding="async" width="250" height="233" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/Lattice_wave.svg/375px-Lattice_wave.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/27/Lattice_wave.svg/500px-Lattice_wave.svg.png 2x" data-file-width="506" data-file-height="472" /></a><figcaption>אורך גל של <a href="/wiki/%D7%A7%D7%95%D7%9C" title="קול">גל קול</a> (שהוא <a href="/wiki/%D7%92%D7%9C_%D7%90%D7%95%D7%A8%D7%9A" title="גל אורך">גל אורך</a>).</figcaption></figure> <p>ב<a href="/wiki/%D7%A4%D7%99%D7%96%D7%99%D7%A7%D7%94" title="פיזיקה">פיזיקה</a>, <b>אורך הגל</b> הוא ה<a href="/wiki/%D7%90%D7%95%D7%A8%D7%9A" title="אורך">אורך</a> של מחזור אחד של <a href="/wiki/%D7%92%D7%9C" title="גל">גל</a> מחזורי, דהיינו המרחק בין מופע שיא גל למופע השיא הבא (או בין מופע תחתית גל למופע התחתית הבאה). לערך קיים סימון בינלאומי באמצעות האות <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \lambda \!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>&#x03BB;<!-- λ --></mi> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda \!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fe01f3dea36045b374a4eb8f3e7c4b3a60be526d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.327ex; width:1.295ex; height:2.176ex;" alt="{\displaystyle \lambda \!}"></span> (<a href="/wiki/%D7%9C%D7%9E%D7%93%D7%90" title="למדא">למדא</a>) ונמדד ב<a href="/wiki/%D7%9E%D7%A2%D7%A8%D7%9B%D7%AA_%D7%94%D7%99%D7%97%D7%99%D7%93%D7%95%D7%AA_%D7%94%D7%91%D7%99%D7%A0%D7%9C%D7%90%D7%95%D7%9E%D7%99%D7%AA" class="mw-redirect" title="מערכת היחידות הבינלאומית">מערכת היחידות הבינלאומית</a> ב<a href="/wiki/%D7%9E%D7%98%D7%A8" title="מטר">מטרים</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="הגדרה"><span id=".D7.94.D7.92.D7.93.D7.A8.D7.94"></span>הגדרה</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;action=edit&amp;section=1" title="עריכת קוד המקור של הפרק: הגדרה"><span>עריכת קוד מקור</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;veaction=edit&amp;section=1" title="עריכת פסקה: &quot;הגדרה&quot;" class="mw-editsection-visualeditor"><span>עריכה</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/%D7%A7%D7%95%D7%91%D7%A5:Sine_wavelength.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Sine_wavelength.svg/250px-Sine_wavelength.svg.png" decoding="async" width="250" height="174" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/62/Sine_wavelength.svg/375px-Sine_wavelength.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/62/Sine_wavelength.svg/500px-Sine_wavelength.svg.png 2x" data-file-width="512" data-file-height="356" /></a><figcaption>אורך הגל של גל סינוסי</figcaption></figure> <p>גל הוא <a href="/wiki/%D7%A4%D7%95%D7%A0%D7%A7%D7%A6%D7%99%D7%94" title="פונקציה">פונקציה</a> של המרחב שמשתנה בזמן כך שערכיה נשמרים בנקודות שנעות בכיוון כלשהו ב<a href="/wiki/%D7%9E%D7%94%D7%99%D7%A8%D7%95%D7%AA" title="מהירות">מהירות</a> (<b>מהירות</b>&#160;היא מידה לתיאור קצב תנועתו של גוף במרחב) קבועה. גל מחזורי הוא <a href="/wiki/%D7%A4%D7%95%D7%A0%D7%A7%D7%A6%D7%99%D7%94_%D7%9E%D7%97%D7%96%D7%95%D7%A8%D7%99%D7%AA" title="פונקציה מחזורית">פונקציה מחזורית</a>, שחוזרת על עצמה בנקודות קבועות במרחב בכל זמן מחזור, או בכל אורך גל בזמן קבוע. כלומר, אורך הגל הוא המרחק שבו הגל חוזר על עצמו לראשונה, באותו האופן שבו זמן המחזור הוא משך הזמן שלוקח לגל לחזור על עצמו לראשונה. בגל במימד אחד מתקיים לכל x: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \displaystyle {y(x+\lambda )=y(x)}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi>y</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo>+</mo> <mi>&#x03BB;<!-- λ --></mi> <mo stretchy="false">)</mo> <mo>=</mo> <mi>y</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> </mrow> </mstyle> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \displaystyle {y(x+\lambda )=y(x)}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cfa39a6ebdecdd4d1b1f269c787ccf0f2f3a06f3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:15.883ex; height:2.843ex;" alt="{\displaystyle \displaystyle {y(x+\lambda )=y(x)}}"></span></dd></dl> <p>כאשר <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ \lambda }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>&#x03BB;<!-- λ --></mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ \lambda }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2bfaa6ce1e7dfbb1b20e93a9cc5a7a1859bfeb67" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.936ex; height:2.176ex;" alt="{\displaystyle \ \lambda }"></span> מייצגת את אורך הגל. ניתן למדוד בקלות את אורך הגל על ידי מדידת המרחק בין נקודות שוות <a href="/wiki/%D7%9E%D7%95%D7%A4%D7%A2" title="מופע">מופע</a> סמוכות, כמו נקודות מקסימום או מינימום. </p><p>אורך הגל הוא המרחק שבו מתקדם הגל במחזור אחד וזמן המחזור הוא הזמן שלוקח להשלים מחזור שלם, ולכן היחס ביניהם הוא מהירות התקדמות הגל: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ \lambda =vT}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>&#x03BB;<!-- λ --></mi> <mo>=</mo> <mi>v</mi> <mi>T</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ \lambda =vT}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/28d69cbe1e110e9d7b4a2beefa3954a52dc8ff08" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:7.798ex; height:2.176ex;" alt="{\displaystyle \ \lambda =vT}"></span></dd></dl> <p>כאשר <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ v}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>v</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ v}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/b13986081794fa359dd8f21458428d16289e97b3" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.708ex; height:1.676ex;" alt="{\displaystyle \ v}"></span> היא מהירות הגל ו-<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ T}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>T</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ T}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/630996e0f4ea15c1347439ec69ac78fc5ae2f755" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.217ex; height:2.176ex;" alt="{\displaystyle \ T}"></span> הוא זמן המחזור. זמן המחזור הוא ההופכי של ה<a href="/wiki/%D7%AA%D7%93%D7%99%D7%A8%D7%95%D7%AA" title="תדירות">תדירות</a>, ולכן: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ v=\lambda f}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>v</mi> <mo>=</mo> <mi>&#x03BB;<!-- λ --></mi> <mi>f</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ v=\lambda f}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f01318c772d712e9667eba54d7d333b8b7d5345a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:7.441ex; height:2.509ex;" alt="{\displaystyle \ v=\lambda f}"></span></dd></dl> <p>כאשר <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ f}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>f</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ f}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4d5ff7312a01506eee6ecea7dca662763a101c9d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:1.859ex; height:2.509ex;" alt="{\displaystyle \ f}"></span> היא תדירות הגל. </p> <div class="mw-heading mw-heading2"><h2 id="גל_סינוסי"><span id=".D7.92.D7.9C_.D7.A1.D7.99.D7.A0.D7.95.D7.A1.D7.99"></span>גל סינוסי</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;action=edit&amp;section=2" title="עריכת קוד המקור של הפרק: גל סינוסי"><span>עריכת קוד מקור</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;veaction=edit&amp;section=2" title="עריכת פסקה: &quot;גל סינוסי&quot;" class="mw-editsection-visualeditor"><span>עריכה</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>גל סינוסי הוא גל שמתואר על ידי פונקציית הסינוס: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle y(x,\ t)=A\sin \left(2\pi \left({\frac {x}{\lambda }}-{\frac {t}{T}}\right)\right)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>y</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo>,</mo> <mtext>&#xA0;</mtext> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mi>A</mi> <mi>sin</mi> <mo>&#x2061;<!-- ⁡ --></mo> <mrow> <mo>(</mo> <mrow> <mn>2</mn> <mi>&#x03C0;<!-- π --></mi> <mrow> <mo>(</mo> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>x</mi> <mi>&#x03BB;<!-- λ --></mi> </mfrac> </mrow> <mo>&#x2212;<!-- − --></mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>t</mi> <mi>T</mi> </mfrac> </mrow> </mrow> <mo>)</mo> </mrow> </mrow> <mo>)</mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle y(x,\ t)=A\sin \left(2\pi \left({\frac {x}{\lambda }}-{\frac {t}{T}}\right)\right)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/16523dd09927edc1ebe3f8590b0ba853effd4c5a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:32.061ex; height:6.176ex;" alt="{\displaystyle y(x,\ t)=A\sin \left(2\pi \left({\frac {x}{\lambda }}-{\frac {t}{T}}\right)\right)}"></span></dd></dl> <p>מופע המחזור של פונקציית הסינוס הוא <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ 2\pi }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mn>2</mn> <mi>&#x03C0;<!-- π --></mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ 2\pi }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/685e78ce3c69cf9cc2e1330f60f80e5beb6029c4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.075ex; height:2.176ex;" alt="{\displaystyle \ 2\pi }"></span>, ולכן הגל חוזר על עצמו בכל אורך <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ \lambda }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>&#x03BB;<!-- λ --></mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ \lambda }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2bfaa6ce1e7dfbb1b20e93a9cc5a7a1859bfeb67" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.936ex; height:2.176ex;" alt="{\displaystyle \ \lambda }"></span> ובכל זמן <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ T}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>T</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ T}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/630996e0f4ea15c1347439ec69ac78fc5ae2f755" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.217ex; height:2.176ex;" alt="{\displaystyle \ T}"></span>. <a href="/wiki/%D7%9E%D7%A9%D7%A8%D7%A2%D7%AA" title="משרעת">משרעת</a> הגל היא <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ A}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext>&#xA0;</mtext> <mi>A</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ A}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9a29b7d7604962065930f413ee72574d1f7a6e81" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.324ex; height:2.176ex;" alt="{\displaystyle \ A}"></span>. גלים סינוסיים מתוארים לרוב בעזרת <a href="/wiki/%D7%9E%D7%A1%D7%A4%D7%A8_%D7%92%D7%9C" title="מספר גל">מספר הגל</a> וה<a href="/wiki/%D7%AA%D7%93%D7%99%D7%A8%D7%95%D7%AA_%D7%96%D7%95%D7%95%D7%99%D7%AA%D7%99%D7%AA" class="mw-redirect" title="תדירות זוויתית">תדירות הזוויתית</a>: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle y(x,\ t)=A\sin \left(kx-\omega t\right)=A\sin \left(k(x-vt)\right)}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>y</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo>,</mo> <mtext>&#xA0;</mtext> <mi>t</mi> <mo stretchy="false">)</mo> <mo>=</mo> <mi>A</mi> <mi>sin</mi> <mo>&#x2061;<!-- ⁡ --></mo> <mrow> <mo>(</mo> <mrow> <mi>k</mi> <mi>x</mi> <mo>&#x2212;<!-- − --></mo> <mi>&#x03C9;<!-- ω --></mi> <mi>t</mi> </mrow> <mo>)</mo> </mrow> <mo>=</mo> <mi>A</mi> <mi>sin</mi> <mo>&#x2061;<!-- ⁡ --></mo> <mrow> <mo>(</mo> <mrow> <mi>k</mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo>&#x2212;<!-- − --></mo> <mi>v</mi> <mi>t</mi> <mo stretchy="false">)</mo> </mrow> <mo>)</mo> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle y(x,\ t)=A\sin \left(kx-\omega t\right)=A\sin \left(k(x-vt)\right)}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87d609d0017a2b5e907d75f458a56318a94ab045" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:43.36ex; height:2.843ex;" alt="{\displaystyle y(x,\ t)=A\sin \left(kx-\omega t\right)=A\sin \left(k(x-vt)\right)}"></span></dd></dl> <p>מספר הגל מוגדר כמופע המחזור חלקי אורך הגל באותו האופן שבו התדירות הזוויתית מוגדרת כמופע המחזור חלקי זמן המחזור: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle k={\frac {2\pi }{\lambda }}={\frac {2\pi f}{v}}={\frac {\omega }{v}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>k</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>2</mn> <mi>&#x03C0;<!-- π --></mi> </mrow> <mi>&#x03BB;<!-- λ --></mi> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>2</mn> <mi>&#x03C0;<!-- π --></mi> <mi>f</mi> </mrow> <mi>v</mi> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>&#x03C9;<!-- ω --></mi> <mi>v</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle k={\frac {2\pi }{\lambda }}={\frac {2\pi f}{v}}={\frac {\omega }{v}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/001acb4e1bf6de16a2dfa9c8785911fe6ad7ba3b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:20.728ex; height:5.509ex;" alt="{\displaystyle k={\frac {2\pi }{\lambda }}={\frac {2\pi f}{v}}={\frac {\omega }{v}}}"></span></dd></dl> <p>הקשר בין אורך הגל, ה<a href="/wiki/%D7%AA%D7%93%D7%99%D7%A8%D7%95%D7%AA" title="תדירות">תדירות</a> ו<a href="/wiki/%D7%9E%D7%94%D7%99%D7%A8%D7%95%D7%AA_%D7%A4%D7%90%D7%96%D7%94" title="מהירות פאזה">מהירות הפאזה</a>: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \lambda ={\frac {2\pi }{k}}={\frac {2\pi v}{\omega }}={\frac {v}{f}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>&#x03BB;<!-- λ --></mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>2</mn> <mi>&#x03C0;<!-- π --></mi> </mrow> <mi>k</mi> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mn>2</mn> <mi>&#x03C0;<!-- π --></mi> <mi>v</mi> </mrow> <mi>&#x03C9;<!-- ω --></mi> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>v</mi> <mi>f</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda ={\frac {2\pi }{k}}={\frac {2\pi v}{\omega }}={\frac {v}{f}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0400382d695f325ed0e547800cf4e4a449f96c40" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:20.554ex; height:5.676ex;" alt="{\displaystyle \lambda ={\frac {2\pi }{k}}={\frac {2\pi v}{\omega }}={\frac {v}{f}}}"></span></dd></dl> <p>מהירות הפאזה של <a href="/wiki/%D7%92%D7%9C_%D7%90%D7%9C%D7%A7%D7%98%D7%A8%D7%95%D7%9E%D7%92%D7%A0%D7%98%D7%99" class="mw-redirect" title="גל אלקטרומגנטי">גל אלקטרומגנטי</a> ב<a href="/wiki/%D7%A8%D7%99%D7%A7" title="ריק">ריק</a> היא <a href="/wiki/%D7%9E%D7%94%D7%99%D7%A8%D7%95%D7%AA_%D7%94%D7%90%D7%95%D7%A8" title="מהירות האור">מהירות האור</a> והיא קבועה, ולכן ישנו קשר חד ערכי בין אורך הגל והתדירות ושניהם מתוארים ב<a href="/wiki/%D7%94%D7%A1%D7%A4%D7%A7%D7%98%D7%A8%D7%95%D7%9D_%D7%94%D7%90%D7%9C%D7%A7%D7%98%D7%A8%D7%95%D7%9E%D7%92%D7%A0%D7%98%D7%99" title="הספקטרום האלקטרומגנטי">ספקטרום האלקטרומגנטי</a>. כש<a href="/wiki/%D7%90%D7%95%D7%A8" title="אור">אור</a> עובר מתווך אחד לתווך אחר, מהירות הפאזה שלו משתנה אך התדירות נשארת קבועה ולכן אורך הגל משתנה בהתאם. היחס בין אורך הגל בריק לבין אורך הגל בחומר הוא: </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \lambda ={\frac {\lambda _{0}}{n}},}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>&#x03BB;<!-- λ --></mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msub> <mi>&#x03BB;<!-- λ --></mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mi>n</mi> </mfrac> </mrow> <mo>,</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda ={\frac {\lambda _{0}}{n}},}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/365739e141336c3cb1c4520ae016c1d10f622894" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:8.346ex; height:5.343ex;" alt="{\displaystyle \lambda ={\frac {\lambda _{0}}{n}},}"></span></dd></dl> <p>כאשר <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \lambda _{0}\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>&#x03BB;<!-- λ --></mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda _{0}\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1f1a3552677a8f2b9fabc68438fef6fa9623350f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; margin-right: -0.387ex; width:2.409ex; height:2.509ex;" alt="{\displaystyle \lambda _{0}\!}"></span> אורך הגל בריק, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \lambda \!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>&#x03BB;<!-- λ --></mi> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda \!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/fe01f3dea36045b374a4eb8f3e7c4b3a60be526d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.327ex; width:1.295ex; height:2.176ex;" alt="{\displaystyle \lambda \!}"></span> אורך הגל בחומר ו-n <a href="/wiki/%D7%9E%D7%A7%D7%93%D7%9D_%D7%A9%D7%91%D7%99%D7%A8%D7%94" title="מקדם שבירה">מקדם השבירה</a> של החומר. </p> <div class="mw-heading mw-heading2"><h2 id="ראו_גם"><span id=".D7.A8.D7.90.D7.95_.D7.92.D7.9D"></span>ראו גם</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;action=edit&amp;section=3" title="עריכת קוד המקור של הפרק: ראו גם"><span>עריכת קוד מקור</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;veaction=edit&amp;section=3" title="עריכת פסקה: &quot;ראו גם&quot;" class="mw-editsection-visualeditor"><span>עריכה</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%D7%94%D7%A1%D7%A4%D7%A7%D7%98%D7%A8%D7%95%D7%9D_%D7%94%D7%90%D7%9C%D7%A7%D7%98%D7%A8%D7%95%D7%9E%D7%92%D7%A0%D7%98%D7%99" title="הספקטרום האלקטרומגנטי">הספקטרום האלקטרומגנטי</a></li> <li><a href="/wiki/%D7%92%D7%9C_%D7%A2%D7%95%D7%9E%D7%93" title="גל עומד">גל עומד</a></li> <li><a href="/wiki/%D7%94%D7%A9%D7%A2%D7%A8%D7%AA_%D7%93%D7%94_%D7%91%D7%A8%D7%95%D7%99%D7%99" title="השערת דה ברויי">השערת דה ברויי</a></li> <li><a href="/wiki/%D7%99%D7%97%D7%99%D7%93%D7%95%D7%AA_%D7%9E%D7%99%D7%93%D7%94_%D7%9C%D7%90%D7%95%D7%A8%D7%9A" title="יחידות מידה לאורך">יחידות מידה לאורך</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="קישורים_חיצוניים"><span id=".D7.A7.D7.99.D7.A9.D7.95.D7.A8.D7.99.D7.9D_.D7.97.D7.99.D7.A6.D7.95.D7.A0.D7.99.D7.99.D7.9D"></span>קישורים חיצוניים</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;action=edit&amp;section=4" title="עריכת קוד המקור של הפרק: קישורים חיצוניים"><span>עריכת קוד מקור</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C&amp;veaction=edit&amp;section=4" title="עריכת פסקה: &quot;קישורים חיצוניים&quot;" class="mw-editsection-visualeditor"><span>עריכה</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="sisterwikilinkT"><span typeof="mw:File"><a href="https://commons.wikimedia.org/wiki/" title="ויקישיתוף"><img alt="ויקישיתוף" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> מדיה וקבצים בנושא <b><a href="https://commons.wikimedia.org/wiki/Category:Wavelength" class="extiw" title="commons:Category:Wavelength">אורך גל</a></b> ב<a href="/wiki/%D7%95%D7%99%D7%A7%D7%99%D7%A9%D7%99%D7%AA%D7%95%D7%A3" title="ויקישיתוף">וויקישיתוף</a></div> <ul><li><a rel="nofollow" class="external text" href="https://www.britannica.com/science/wavelength">אורך גל</a>, באתר <a href="/wiki/%D7%90%D7%A0%D7%A6%D7%99%D7%A7%D7%9C%D7%95%D7%A4%D7%93%D7%99%D7%94_%D7%91%D7%A8%D7%99%D7%98%D7%A0%D7%99%D7%A7%D7%94" title="אנציקלופדיה בריטניקה">אנציקלופדיה בריטניקה</a> <span dir="rtl" class="languageicon">(באנגלית)</span><style data-mw-deduplicate="TemplateStyles:r36549940">.mw-parser-output .languageicon{font-size:0.95em;font-weight:bold;color:#555}</style></li></ul> <p><br /> </p> <table class="navbox nowraplinks" style="width: 90%; clear: both; margin: 0.5em auto; margin-top: 0.5em; margin-bottom: 0.5em; padding: 0.2em; text-align: right;"> <tbody><tr> <th colspan="3" style="text-align: center; padding-top: 0.1em; padding-bottom: 0.1em; color: black; background:#d1eeee; font-weight: bold;"><a href="/wiki/%D7%92%D7%9C" title="גל">גלים</a> </th></tr> <tr> <td style="background-color: #F2F3F4; text-align: right; font-weight: bold; padding-left: 5px;">מאפיינים </td> <td style="padding-right: 5px; text-align: right;"><a href="/wiki/%D7%9E%D7%A9%D7%A8%D7%A2%D7%AA" title="משרעת">משרעת</a> • <a href="/wiki/%D7%AA%D7%93%D7%99%D7%A8%D7%95%D7%AA" title="תדירות">תדירות</a> • <a href="/wiki/%D7%9E%D7%95%D7%A4%D7%A2" title="מופע">מופע</a> • <a class="mw-selflink selflink">אורך גל</a> • <a href="/wiki/%D7%95%D7%A7%D7%98%D7%95%D7%A8_%D7%92%D7%9C" title="וקטור גל">וקטור גל</a> • <a href="/wiki/%D7%9E%D7%A1%D7%A4%D7%A8_%D7%92%D7%9C" title="מספר גל">מספר גל</a> • <a href="/wiki/%D7%9E%D7%94%D7%99%D7%A8%D7%95%D7%AA_%D7%A4%D7%90%D7%96%D7%94" title="מהירות פאזה">מהירות פאזה</a> • <a href="/wiki/%D7%9E%D7%94%D7%99%D7%A8%D7%95%D7%AA_%D7%97%D7%91%D7%95%D7%A8%D7%94" title="מהירות חבורה">מהירות חבורה</a> • <a href="/wiki/%D7%A7%D7%99%D7%98%D7%95%D7%91" title="קיטוב">קיטוב</a> </td> <td rowspan="5" align="center" style="text-align: center; vertical-align: middle;"><span typeof="mw:File"><a href="/wiki/%D7%A7%D7%95%D7%91%D7%A5:Exponential_loss_blue.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Exponential_loss_blue.svg/100px-Exponential_loss_blue.svg.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Exponential_loss_blue.svg/150px-Exponential_loss_blue.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/68/Exponential_loss_blue.svg/200px-Exponential_loss_blue.svg.png 2x" data-file-width="375" data-file-height="375" /></a></span> </td></tr> <tr> <td style="background-color: #F2F3F4; text-align: right; font-weight: bold; padding-left: 5px;">תופעות </td> <td style="padding-right: 5px; text-align: right;"><a href="/wiki/%D7%94%D7%97%D7%96%D7%A8%D7%94_(%D7%90%D7%95%D7%A4%D7%98%D7%99%D7%A7%D7%94)" title="החזרה (אופטיקה)">החזרה</a> • <a href="/wiki/%D7%94%D7%A2%D7%91%D7%A8%D7%94_(%D7%92%D7%9C%D7%99%D7%9D)" title="העברה (גלים)">העברה</a> • <a href="/wiki/%D7%A9%D7%91%D7%99%D7%A8%D7%94" title="שבירה">שבירה</a> • <a href="/wiki/%D7%94%D7%AA%D7%90%D7%91%D7%9B%D7%95%D7%AA" title="התאבכות">התאבכות</a> • <a href="/wiki/%D7%A2%D7%A7%D7%99%D7%A4%D7%94" title="עקיפה">עקיפה</a> • <a href="/wiki/%D7%A0%D7%A4%D7%99%D7%A6%D7%94" title="נפיצה">נפיצה</a> • <a href="/wiki/%D7%91%D7%9C%D7%99%D7%A2%D7%94_(%D7%A7%D7%A8%D7%99%D7%A0%D7%94_%D7%90%D7%9C%D7%A7%D7%98%D7%A8%D7%95%D7%9E%D7%92%D7%A0%D7%98%D7%99%D7%AA)" title="בליעה (קרינה אלקטרומגנטית)">בליעה</a> </td></tr> <tr> <td style="background-color: #F2F3F4; text-align: right; font-weight: bold; padding-left: 5px;">מושגים </td> <td style="padding-right: 5px; text-align: right;"><a href="/wiki/%D7%92%D7%9C_%D7%A2%D7%95%D7%9E%D7%93" title="גל עומד">גל עומד</a> • <a href="/wiki/%D7%90%D7%A4%D7%A0%D7%95%D7%9F" title="אפנון">אפנון</a> • <a href="/wiki/%D7%97%D7%91%D7%99%D7%9C%D7%AA_%D7%92%D7%9C%D7%99%D7%9D" title="חבילת גלים">חבילת גלים</a> • <a href="/wiki/%D7%AA%D7%95%D7%95%D7%9A" title="תווך">תווך</a> • <a href="/wiki/%D7%9E%D7%AA%D7%A0%D7%93_%D7%94%D7%A8%D7%9E%D7%95%D7%A0%D7%99" title="מתנד הרמוני">מתנד הרמוני</a> • <a href="/wiki/%D7%AA%D7%94%D7%95%D7%93%D7%94" title="תהודה">תהודה</a> • <a href="/wiki/%D7%90%D7%A4%D7%A7%D7%98_%D7%93%D7%95%D7%A4%D7%9C%D7%A8" title="אפקט דופלר">אפקט דופלר</a> </td></tr> <tr> <td style="background-color: #F2F3F4; text-align: right; font-weight: bold; padding-left: 5px;">אנליזה </td> <td style="padding-right: 5px; text-align: right;"><a href="/wiki/%D7%9E%D7%A9%D7%95%D7%95%D7%90%D7%AA_%D7%94%D7%92%D7%9C%D7%99%D7%9D" title="משוואת הגלים">משוואת הגלים</a> • <a href="/wiki/%D7%9E%D7%A9%D7%95%D7%95%D7%90%D7%AA_%D7%94%D7%9C%D7%9E%D7%94%D7%95%D7%9C%D7%A5" title="משוואת הלמהולץ">משוואת הלמהולץ</a> • <a href="/wiki/%D7%A2%D7%A7%D7%A8%D7%95%D7%9F_%D7%94%D7%95%D7%99%D7%92%D7%A0%D7%A1" title="עקרון הויגנס">עקרון הויגנס</a> • <a href="/wiki/%D7%A2%D7%A7%D7%A8%D7%95%D7%9F_%D7%A4%D7%A8%D7%9E%D7%94" title="עקרון פרמה">עקרון פרמה</a> • <a href="/wiki/%D7%97%D7%95%D7%A7%D7%99_%D7%A4%D7%A8%D7%A0%D7%9C" title="חוקי פרנל">חוקי פרנל</a> </td></tr> <tr> <td style="background-color: #F2F3F4; text-align: right; font-weight: bold; padding-left: 5px;">סוגי גלים </td> <td style="padding-right: 5px; text-align: right;"><a href="/wiki/%D7%92%D7%9C_%D7%9E%D7%99%D7%A9%D7%95%D7%A8%D7%99" title="גל מישורי">גל מישורי</a> • <a href="/wiki/%D7%92%D7%9C_%D7%9B%D7%93%D7%95%D7%A8%D7%99" title="גל כדורי">גל כדורי</a> • <a href="/wiki/%D7%92%D7%9C_%D7%A8%D7%95%D7%97%D7%91" title="גל רוחב">גל רוחב</a> • <a href="/wiki/%D7%92%D7%9C_%D7%90%D7%95%D7%A8%D7%9A" title="גל אורך">גל אורך</a> • <a href="/wiki/%D7%A4%D7%95%D7%9C%D7%A1" title="פולס">פולס</a> • <a href="/wiki/%D7%A7%D7%A8%D7%99%D7%A0%D7%94_%D7%90%D7%9C%D7%A7%D7%98%D7%A8%D7%95%D7%9E%D7%92%D7%A0%D7%98%D7%99%D7%AA" title="קרינה אלקטרומגנטית">קרינה אלקטרומגנטית</a> • <a href="/wiki/%D7%A7%D7%95%D7%9C" title="קול">גל קול</a> • <a href="/wiki/%D7%92%D7%9C_(%D7%9E%D7%99%D7%9D)" title="גל (מים)">גל (מים)</a> • <a href="/wiki/%D7%A4%D7%95%D7%A0%D7%A7%D7%A6%D7%99%D7%99%D7%AA_%D7%92%D7%9C" title="פונקציית גל">פונקציית גל</a> </td></tr> </tbody></table> <div role="navigation" class="navbox authority-control" aria-labelledby="בקרת_זהויות_15px&amp;#124;link=https&amp;#58;//www.wikidata.org/wiki/Q41364?uselang=he&amp;#124;עריכת_הנתון_בוויקינתונים" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="בקרת_זהויות_15px&amp;#124;link=https&amp;#58;//www.wikidata.org/wiki/Q41364?uselang=he&amp;#124;עריכת_הנתון_בוויקינתונים" scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%D7%A2%D7%96%D7%A8%D7%94:%D7%91%D7%A7%D7%A8%D7%AA_%D7%96%D7%94%D7%95%D7%99%D7%95%D7%AA" title="עזרה:בקרת זהויות">בקרת זהויות</a> <span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q41364?uselang=he" title="עריכת הנתון בוויקינתונים"><img alt="עריכת הנתון בוויקינתונים" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Blue_pencil_RTL.svg/15px-Blue_pencil_RTL.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Blue_pencil_RTL.svg/23px-Blue_pencil_RTL.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Blue_pencil_RTL.svg/30px-Blue_pencil_RTL.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></th><td class="navbox-list navbox-odd" style="text-align:left;border-right-width:2px;border-right-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"><div dir="ltr"> <ul><li><span class="nowrap"><a href="/wiki/%D7%94%D7%A1%D7%A4%D7%A8%D7%99%D7%99%D7%94_%D7%94%D7%9C%D7%90%D7%95%D7%9E%D7%99%D7%AA" title="הספרייה הלאומית">NLI</a>: <span class="uid"><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&amp;local_base=NLX10&amp;find_code=UID&amp;request=987007554234005171">987007554234005171</a></span></span></li> <li><span class="nowrap"><a href="/wiki/%D7%A7%D7%95%D7%91%D7%A5_%D7%91%D7%A7%D7%A8%D7%94_%D7%9E%D7%A9%D7%95%D7%9C%D7%91" title="קובץ בקרה משולב">GND</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4189549-6">4189549-6</a></span></span></li> <li><span class="nowrap"><a href="/wiki/%D7%A9%D7%99%D7%98%D7%AA_%D7%A1%D7%A4%D7%A8%D7%99%D7%99%D7%AA_%D7%94%D7%A7%D7%95%D7%A0%D7%92%D7%A8%D7%A1" title="שיטת ספריית הקונגרס">LCCN</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/subjects/sh2005004676">sh2005004676</a></span></span></li></ul> </div></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐7f58d5dcf5‐6v9b7 Cached time: 20241109144441 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.138 seconds Real time usage: 0.518 seconds Preprocessor visited node count: 876/1000000 Post‐expand include size: 11718/2097152 bytes Template argument size: 6291/2097152 bytes Highest expansion depth: 10/100 Expensive parser function count: 4/500 Unstrip recursion depth: 0/20 Unstrip post‐expand 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