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class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_no.wikipedia.org&uselang=nb" class=""><span>Doner</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Spesial:Opprett_konto&returnto=B%C3%B8lgelengde" title="Du oppfordres til å opprette en konto og logge inn, men det er ikke obligatorisk" class=""><span>Opprett konto</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Spesial:Logg_inn&returnto=B%C3%B8lgelengde" title="Du oppfordres til å logge inn, men det er ikke 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data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innhold</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">skjul</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">(Til toppen)</div> </a> </li> <li id="toc-Se_også" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Se_også"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Se også</span> </div> </a> <ul id="toc-Se_også-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="Innhold" 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="Vis/skjul innholdsfortegnelsen" > <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">Vis/skjul innholdsfortegnelsen</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">Bølgelengde</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="Gå til en artikkel på et annet språk. Tilgjengelig på 98 språk" > <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 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/B%C3%B8lgjelengd" title="Bølgjelengd – norsk nynorsk" lang="nn" hreflang="nn" data-title="Bølgjelengd" data-language-autonym="Norsk nynorsk" data-language-local-name="norsk nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</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 – dansk" lang="da" hreflang="da" data-title="Bølgelængde" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</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 – svensk" lang="sv" hreflang="sv" data-title="Våglängd" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Bylgjulengd" title="Bylgjulengd – islandsk" lang="is" hreflang="is" data-title="Bylgjulengd" data-language-autonym="Íslenska" data-language-local-name="islandsk" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Golflengte" title="Golflengte – afrikaans" lang="af" hreflang="af" data-title="Golflengte" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" 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 – arabisk" lang="ar" hreflang="ar" data-title="طول الموجة" data-language-autonym="العربية" data-language-local-name="arabisk" class="interlanguage-link-target"><span>العربية</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'onda – asturisk" lang="ast" hreflang="ast" data-title="Llonxitú d'onda" data-language-autonym="Asturianu" data-language-local-name="asturisk" 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 – aserbajdsjansk" lang="az" hreflang="az" data-title="Dalğa uzunluğu" data-language-autonym="Azərbaycanca" data-language-local-name="aserbajdsjansk" 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 – søraserbajdsjansk" lang="azb" hreflang="azb" data-title="دالغا بویو" data-language-autonym="تۆرکجه" data-language-local-name="søraserbajdsjansk" class="interlanguage-link-target"><span>تۆرکجه</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 – bengali" lang="bn" hreflang="bn" data-title="তরঙ্গ দৈর্ঘ্য" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</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 – minnan" lang="nan" hreflang="nan" data-title="Pho-tn̂g" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</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 – belarusisk" lang="be" hreflang="be" data-title="Даўжыня хвалі" data-language-autonym="Беларуская" data-language-local-name="belarusisk" 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 – belarusisk (klassisk ortografi)" lang="be-tarask" hreflang="be-tarask" data-title="Даўжыня хвалі" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="belarusisk (klassisk ortografi)" 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 – bulgarsk" lang="bg" hreflang="bg" data-title="Дължина на вълната" data-language-autonym="Български" data-language-local-name="bulgarsk" class="interlanguage-link-target"><span>Български</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 – bairisk" lang="bar" hreflang="bar" data-title="Wöönläng" data-language-autonym="Boarisch" data-language-local-name="bairisk" class="interlanguage-link-target"><span>Boarisch</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 – bosnisk" lang="bs" hreflang="bs" data-title="Talasna dužina" data-language-autonym="Bosanski" data-language-local-name="bosnisk" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Hirder_gwagenn" title="Hirder gwagenn – bretonsk" lang="br" hreflang="br" data-title="Hirder gwagenn" data-language-autonym="Brezhoneg" data-language-local-name="bretonsk" class="interlanguage-link-target"><span>Brezhoneg</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'ona – katalansk" lang="ca" hreflang="ca" data-title="Longitud d'ona" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</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 – tsjekkisk" lang="cs" hreflang="cs" data-title="Vlnová délka" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" 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 – walisisk" lang="cy" hreflang="cy" data-title="Tonfedd" data-language-autonym="Cymraeg" data-language-local-name="walisisk" class="interlanguage-link-target"><span>Cymraeg</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 – marokkansk-arabisk" lang="ary" hreflang="ary" data-title="طول موجي" data-language-autonym="الدارجة" data-language-local-name="marokkansk-arabisk" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Wellenl%C3%A4nge" title="Wellenlänge – tysk" lang="de" hreflang="de" data-title="Wellenlänge" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Lainepikkus" title="Lainepikkus – estisk" lang="et" hreflang="et" data-title="Lainepikkus" data-language-autonym="Eesti" data-language-local-name="estisk" class="interlanguage-link-target"><span>Eesti</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 – gresk" lang="el" hreflang="el" data-title="Μήκος κύματος" data-language-autonym="Ελληνικά" data-language-local-name="gresk" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Wavelength" title="Wavelength – engelsk" lang="en" hreflang="en" data-title="Wavelength" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</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 – spansk" lang="es" hreflang="es" data-title="Longitud de onda" data-language-autonym="Español" data-language-local-name="spansk" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ondolongo" title="Ondolongo – esperanto" lang="eo" hreflang="eo" data-title="Ondolongo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Uhin-luzera" title="Uhin-luzera – baskisk" lang="eu" hreflang="eu" data-title="Uhin-luzera" data-language-autonym="Euskara" data-language-local-name="baskisk" 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 – persisk" lang="fa" hreflang="fa" data-title="طول موج" data-language-autonym="فارسی" data-language-local-name="persisk" class="interlanguage-link-target"><span>فارسی</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'onde – fransk" lang="fr" hreflang="fr" data-title="Longueur d'onde" data-language-autonym="Français" data-language-local-name="fransk" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Weachlingte" title="Weachlingte – vestfrisisk" lang="fy" hreflang="fy" data-title="Weachlingte" data-language-autonym="Frysk" data-language-local-name="vestfrisisk" 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 – irsk" lang="ga" hreflang="ga" data-title="Tonnfhad" data-language-autonym="Gaeilge" data-language-local-name="irsk" 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 – skotsk-gælisk" lang="gd" hreflang="gd" data-title="Tonn-fhad" data-language-autonym="Gàidhlig" data-language-local-name="skotsk-gælisk" 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 – galisisk" lang="gl" hreflang="gl" data-title="Lonxitude de onda" data-language-autonym="Galego" data-language-local-name="galisisk" 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 – gujarati" lang="gu" hreflang="gu" data-title="તરંગલંબાઈ" data-language-autonym="ગુજરાતી" data-language-local-name="gujarati" class="interlanguage-link-target"><span>ગુજરાતી</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 – koreansk" lang="ko" hreflang="ko" data-title="파장" data-language-autonym="한국어" data-language-local-name="koreansk" class="interlanguage-link-target"><span>한국어</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 – armensk" lang="hy" hreflang="hy" data-title="Ալիքի երկարություն" data-language-autonym="Հայերեն" data-language-local-name="armensk" class="interlanguage-link-target"><span>Հայերեն</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 – hindi" lang="hi" hreflang="hi" data-title="तरंगदैर्घ्य" data-language-autonym="हिन्दी" data-language-local-name="hindi" 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 – kroatisk" lang="hr" hreflang="hr" data-title="Valna duljina" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Panjang_gelombang" title="Panjang gelombang – indonesisk" lang="id" hreflang="id" data-title="Panjang gelombang" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/IBangacuphi" title="IBangacuphi – zulu" lang="zu" hreflang="zu" data-title="IBangacuphi" data-language-autonym="IsiZulu" data-language-local-name="zulu" class="interlanguage-link-target"><span>IsiZulu</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'onda – italiensk" lang="it" hreflang="it" data-title="Lunghezza d'onda" data-language-autonym="Italiano" data-language-local-name="italiensk" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%95%D7%A8%D7%9A_%D7%92%D7%9C" title="אורך גל – hebraisk" lang="he" hreflang="he" data-title="אורך גל" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</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 – georgisk" lang="ka" hreflang="ka" data-title="ტალღის სიგრძე" data-language-autonym="ქართული" data-language-local-name="georgisk" 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 – kasakhisk" lang="kk" hreflang="kk" data-title="Толқын ұзындығы" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" class="interlanguage-link-target"><span>Қазақша</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 – swahili" lang="sw" hreflang="sw" data-title="Masafa ya mawimbi" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Long%C3%A8donn" title="Longèdonn – haitisk" lang="ht" hreflang="ht" data-title="Longèdonn" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitisk" class="interlanguage-link-target"><span>Kreyòl ayisyen</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 – kurdisk" lang="ku" hreflang="ku" data-title="Pêldirêjahî" data-language-autonym="Kurdî" data-language-local-name="kurdisk" 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 – kirgisisk" lang="ky" hreflang="ky" data-title="Толкун узундугу" data-language-autonym="Кыргызча" data-language-local-name="kirgisisk" 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 – latin" lang="la" hreflang="la" data-title="Longitudo undae" data-language-autonym="Latina" data-language-local-name="latin" class="interlanguage-link-target"><span>Latina</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 – latvisk" lang="lv" hreflang="lv" data-title="Viļņa garums" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Wellel%C3%A4ngt" title="Wellelängt – luxemburgsk" lang="lb" hreflang="lb" data-title="Wellelängt" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgsk" 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 – litauisk" lang="lt" hreflang="lt" data-title="Bangos ilgis" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Hull%C3%A1mhossz" title="Hullámhossz – ungarsk" lang="hu" hreflang="hu" data-title="Hullámhossz" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</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 – makedonsk" lang="mk" hreflang="mk" data-title="Бранова должина" data-language-autonym="Македонски" data-language-local-name="makedonsk" 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 – malayalam" lang="ml" hreflang="ml" data-title="തരംഗദൈർഘ്യം" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</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 – marathi" lang="mr" hreflang="mr" data-title="तरंगलांबी" data-language-autonym="मराठी" data-language-local-name="marathi" 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 – malayisk" lang="ms" hreflang="ms" data-title="Panjang gelombang" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" class="interlanguage-link-target"><span>Bahasa Melayu</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 – mongolsk" lang="mn" hreflang="mn" data-title="Долгионы урт" data-language-autonym="Монгол" data-language-local-name="mongolsk" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Golflengte" title="Golflengte – nederlandsk" lang="nl" hreflang="nl" data-title="Golflengte" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</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 – japansk" lang="ja" hreflang="ja" data-title="波長" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Waagenlengde" title="Waagenlengde – nordfrisisk" lang="frr" hreflang="frr" data-title="Waagenlengde" data-language-autonym="Nordfriisk" data-language-local-name="nordfrisisk" class="interlanguage-link-target"><span>Nordfriisk</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'onda – oksitansk" lang="oc" hreflang="oc" data-title="Longor d'onda" data-language-autonym="Occitan" data-language-local-name="oksitansk" 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 – oromo" lang="om" hreflang="om" data-title="Dambalii" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</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 – usbekisk" lang="uz" hreflang="uz" data-title="Toʻlqin uzunligi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</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 – panjabi" lang="pa" hreflang="pa" data-title="ਛੱਲ-ਲੰਬਾਈ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="panjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</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 – vestpunjabi" lang="pnb" hreflang="pnb" data-title="لہر لمبائی" data-language-autonym="پنجابی" data-language-local-name="vestpunjabi" 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 – pashto" lang="ps" hreflang="ps" data-title="څپواټن" data-language-autonym="پښتو" data-language-local-name="pashto" class="interlanguage-link-target"><span>پښتو</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 – nedertysk" lang="nds" hreflang="nds" data-title="Bülgenläng" data-language-autonym="Plattdüütsch" data-language-local-name="nedertysk" class="interlanguage-link-target"><span>Plattdüütsch</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 – polsk" lang="pl" hreflang="pl" data-title="Długość fali" data-language-autonym="Polski" data-language-local-name="polsk" class="interlanguage-link-target"><span>Polski</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 – portugisisk" lang="pt" hreflang="pt" data-title="Comprimento de onda" data-language-autonym="Português" data-language-local-name="portugisisk" 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 – rumensk" lang="ro" hreflang="ro" data-title="Lungime de undă" data-language-autonym="Română" data-language-local-name="rumensk" class="interlanguage-link-target"><span>Română</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 – rusinsk" lang="rue" hreflang="rue" data-title="Вовнова довжка" data-language-autonym="Русиньскый" data-language-local-name="rusinsk" class="interlanguage-link-target"><span>Русиньскый</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 – russisk" lang="ru" hreflang="ru" data-title="Длина волны" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</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 – albansk" lang="sq" hreflang="sq" data-title="Gjatësia e valës" data-language-autonym="Shqip" data-language-local-name="albansk" class="interlanguage-link-target"><span>Shqip</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 – singalesisk" lang="si" hreflang="si" data-title="තරංග ආයාමය" data-language-autonym="සිංහල" data-language-local-name="singalesisk" 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 – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Wavelength" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" 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 – slovakisk" lang="sk" hreflang="sk" data-title="Vlnová dĺžka" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" 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 – slovensk" lang="sl" hreflang="sl" data-title="Valovna dolžina" data-language-autonym="Slovenščina" data-language-local-name="slovensk" 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 – somali" lang="so" hreflang="so" data-title="Dhererka Mowjadda" data-language-autonym="Soomaaliga" data-language-local-name="somali" class="interlanguage-link-target"><span>Soomaaliga</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 – sentralkurdisk" lang="ckb" hreflang="ckb" data-title="درێژیی شەپۆل" data-language-autonym="کوردی" data-language-local-name="sentralkurdisk" class="interlanguage-link-target"><span>کوردی</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 – serbisk" lang="sr" hreflang="sr" data-title="Таласна дужина" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" class="interlanguage-link-target"><span>Српски / srpski</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 – serbokroatisk" lang="sh" hreflang="sh" data-title="Valna dužina" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Aallonpituus" title="Aallonpituus – finsk" lang="fi" hreflang="fi" data-title="Aallonpituus" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Alonghaba" title="Alonghaba – tagalog" lang="tl" hreflang="tl" data-title="Alonghaba" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</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 – tamil" lang="ta" hreflang="ta" data-title="அலைநீளம்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</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 – tatarisk" lang="tt" hreflang="tt" data-title="Дулкын озынлыгы" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarisk" class="interlanguage-link-target"><span>Татарча / tatarça</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 – telugu" lang="te" hreflang="te" data-title="తరంగ దైర్ఘ్యం" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</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 – thai" lang="th" hreflang="th" data-title="ความยาวคลื่น" data-language-autonym="ไทย" data-language-local-name="thai" class="interlanguage-link-target"><span>ไทย</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 – tadsjikisk" lang="tg" hreflang="tg" data-title="Адади мавҷӣ" data-language-autonym="Тоҷикӣ" data-language-local-name="tadsjikisk" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Dalga_boyu" title="Dalga boyu – tyrkisk" lang="tr" hreflang="tr" data-title="Dalga boyu" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" class="interlanguage-link-target"><span>Türkçe</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 – ukrainsk" lang="uk" hreflang="uk" data-title="Довжина хвилі" data-language-autonym="Українська" data-language-local-name="ukrainsk" 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 – urdu" lang="ur" hreflang="ur" data-title="طولِ موج" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</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'onda – venetiansk" lang="vec" hreflang="vec" data-title="Longhesa d'onda" data-language-autonym="Vèneto" data-language-local-name="venetiansk" 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 – vietnamesisk" lang="vi" hreflang="vi" data-title="Bước sóng" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" 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 – wu" lang="wuu" hreflang="wuu" data-title="波长" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</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 – kantonesisk" lang="yue" hreflang="yue" data-title="波長" data-language-autonym="粵語" data-language-local-name="kantonesisk" class="interlanguage-link-target"><span>粵語</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 – kinesisk" lang="zh" hreflang="zh" data-title="波长" data-language-autonym="中文" data-language-local-name="kinesisk" 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#36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}html.client-js body.skin-minerva .mw-parser-output .mbox-text-span{margin-left:23px!important}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}</style><table class="plainlinks metadata ambox ambox-content ambox-Unsourced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/Fil:Question_book-new.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span"><b>Kildeløs</b>: Denne artikkelen mangler <a href="/wiki/Wikipedia:Bruk_av_kilder" title="Wikipedia:Bruk av kilder">kildehenvisninger</a>, og opplysningene i den kan dermed være vanskelige å <a href="/wiki/Wikipedia:Verifiserbarhet" title="Wikipedia:Verifiserbarhet">verifisere</a>. Kildeløst materiale kan bli <a href="/wiki/Wikipedia:Verifiserbarhet#Bevisbyrden" title="Wikipedia:Verifiserbarhet">fjernet</a>. Helt uten kilder. <span class="date-container"><i>(<span class="date">10. okt. 2015</span>)</i></span></div></td></tr></tbody></table> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:B%C3%B8lgelengde.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/B%C3%B8lgelengde.png/250px-B%C3%B8lgelengde.png" decoding="async" width="250" height="172" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/d/d0/B%C3%B8lgelengde.png 1.5x" data-file-width="366" data-file-height="252" /></a><figcaption>Bølgelengden i en sinuskurve tilsvarer avstanden mellom to bølgetopper.</figcaption></figure> <p><b>Bølgelengde</b> er avstanden mellom to <a href="/wiki/B%C3%B8lge" title="Bølge">bølger</a> i en gitt <a href="/wiki/Periode_(fysikk)" title="Periode (fysikk)">periode</a>. Enkelt forklart er det snakk om lengden på den rette linjen mellom to bølgetopper, men bølgelengden kan like gjerne måles på et hvilket som helst annet punkt på en bølge, da med samme resultat. </p><p>Bølgelengden angis ofte med den <a href="/wiki/Gresk_spr%C3%A5k" class="mw-redirect" title="Gresk språk">greske</a> bokstaven <a href="/wiki/Lambda" title="Lambda">lambda</a>, λ. </p><p>Bølgelengden <i>λ</i> har et inverst forhold til <a href="/wiki/Frekvensen" class="mw-redirect" title="Frekvensen">frekvensen</a> <i>f</i>, antall bølgetopper som passerer et gitt punkt per tidsenhet, ved at bølgelengden er lik <a href="/wiki/Hastighet" title="Hastighet">hastigheten</a> til bølgen dividert med frekvensen. For elektromagnetiske bølger i <a href="/wiki/Vakuum" title="Vakuum">vakuum</a> er hastigheten til bølgen lik <a href="/wiki/Lyshastigheten" class="mw-redirect" title="Lyshastigheten">lyshastigheten</a>, mens farten på lyd i <a href="/wiki/Luft" title="Luft">luft</a> er lik <a href="/wiki/Lydhastigheten" class="mw-redirect" title="Lydhastigheten">lydhastigheten</a>. Forholdet mellom bølgelengde og frekvens er gitt som </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 {c}{f}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>λ</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>c</mi> <mi>f</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda ={\frac {c}{f}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cfe52fd09f20585d378828fa64760e7910fcec8b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:6.568ex; height:5.176ex;" alt="{\displaystyle \lambda ={\frac {c}{f}}}"></span></dd></dl> <p>der </p> <ul><li><i>λ</i> er bølgelengden til en <a href="/wiki/Lyd" title="Lyd">lydbølge</a> eller <a href="/wiki/Elektromagnetisk_str%C3%A5ling" title="Elektromagnetisk stråling">elektromagnetisk bølge</a>.</li> <li><i>c</i> er hastigheten til <a href="/wiki/Lys" title="Lys">lys</a> i vakuum, det vil si 299 792 458 <a href="/w/index.php?title=Meter/sekund&action=edit&redlink=1" class="new" title="Meter/sekund (ikke skrevet ennå)">m/s</a> eller hastigheten til <a href="/wiki/Lyd" title="Lyd">lyd</a> i luft, det vil si 343 m/s ved 20 <a href="/wiki/Celsius" class="mw-redirect" title="Celsius">°C</a>.</li> <li><i>f</i> er frekvensen til bølgen.</li></ul> <p>For <a href="/wiki/Radiob%C3%B8lger" title="Radiobølger">radiobølger</a> tilnærmer man dette forholdet med formelen: </p> <dl><dd>bølgelengde i <a href="/wiki/Meter" title="Meter">m</a> = 300 / frekvensen i <a href="/wiki/Megahertz" class="mw-redirect" title="Megahertz">MHz</a>.</dd></dl> <p>Når lydbølger eller elektromagnetiske bølger entrer et medium, blir bølgelengden redusert med en faktor som tilsvarer mediets <a href="/w/index.php?title=Refraktive_indeks&action=edit&redlink=1" class="new" title="Refraktive indeks (ikke skrevet ennå)">refraksjon</a> <i>n</i>, men frekvensen er uendret. Bølgelengden i mediet er gitt ved </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 ^{\prime }={\frac {\lambda _{0}}{n}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msup> <mi>λ</mi> <mrow class="MJX-TeXAtom-ORD"> <mi class="MJX-variant" mathvariant="normal">′</mi> </mrow> </msup> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msub> <mi>λ</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>0</mn> </mrow> </msub> <mi>n</mi> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda ^{\prime }={\frac {\lambda _{0}}{n}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/83ab15eda16f14974000336f76ee3a0abf97c7d7" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:8.384ex; height:5.343ex;" alt="{\displaystyle \lambda ^{\prime }={\frac {\lambda _{0}}{n}}}"></span>,</dd></dl> <p>der <i>λ</i> er bølgelengden i mediet, mens λ<sub>0</sub> er bølgens bølgelengde i vakuum. </p><p>Bølgelengder for <a href="/wiki/Elektromagnetisk_str%C3%A5ling" title="Elektromagnetisk stråling">elektromagnetisk stråling</a> er vanligvis oppgitt ved vakuumbølgelengden, uavhengig av hvilket medium de passerer. </p><p><a href="/wiki/Louis-Victor_de_Broglie" class="mw-redirect" title="Louis-Victor de Broglie">Louis-Victor de Broglie</a> oppdaget at alle <a href="/wiki/Subatom%C3%A6r_partikkel" title="Subatomær partikkel">partikler</a> med <a href="/wiki/Bevegelsesmengde" title="Bevegelsesmengde">bevegelsesmengde</a> har en bølgelengde, kalt <i>de Broglie-bølgelengden</i>. For en <a href="/wiki/Spesiell_relativitet" class="mw-redirect" title="Spesiell relativitet">relativistisk</a> partikkel er denne bølgelengden gitt ved </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 {h}{p}}={\frac {h}{{m}{v}}}{\sqrt {1-{\frac {v^{2}}{c^{2}}}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>λ</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>h</mi> <mi>p</mi> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>h</mi> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>m</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mi>v</mi> </mrow> </mrow> </mfrac> </mrow> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mn>1</mn> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <msup> <mi>v</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> <msup> <mi>c</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msup> </mfrac> </mrow> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \lambda ={\frac {h}{p}}={\frac {h}{{m}{v}}}{\sqrt {1-{\frac {v^{2}}{c^{2}}}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/765fc3d8ce06c93aa076c056722335296cef8c08" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.005ex; width:23.076ex; height:7.509ex;" alt="{\displaystyle \lambda ={\frac {h}{p}}={\frac {h}{{m}{v}}}{\sqrt {1-{\frac {v^{2}}{c^{2}}}}}}"></span>,</dd></dl> <p>der: </p> <ul><li><i>h</i> er <a href="/wiki/Plancks_konstant" title="Plancks konstant">Plancks konstant</a></li> <li><i>p</i> er partikkelens bevegelsesmengde</li> <li><i>m</i> er partikkelens <a href="/wiki/Masse" title="Masse">masse</a></li> <li><i>v</i> er partikkelens <a href="/wiki/Hastighet" title="Hastighet">hastighet</a></li></ul> <p>Jo større <a href="/wiki/Energi" title="Energi">energi</a>, jo større frekvens og kortere bølgelengde. Tar en i betraktning forholdet mellom bølgelengde og frekvens, ser en at korte bølgelengder bærer mer energi enn lange. </p> <div class="mw-heading mw-heading2"><h2 id="Se_også"><span id="Se_ogs.C3.A5"></span>Se også</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=B%C3%B8lgelengde&veaction=edit&section=1" title="Rediger avsnitt: Se også" class="mw-editsection-visualeditor"><span>rediger</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=B%C3%B8lgelengde&action=edit&section=1" title="Rediger kildekoden til seksjonen Se også"><span>rediger kilde</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/B%C3%B8lger" class="mw-redirect" title="Bølger">Bølger</a></li> <li><a href="/wiki/Frekvens" title="Frekvens">Frekvens</a></li> <li><a href="/wiki/Periode_(fysikk)" title="Periode (fysikk)">Periode (fysikk)</a></li> <li><a href="/wiki/Amplitude" 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