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href="/wiki/%E0%A4%AE%E0%A5%81%E0%A4%96%E0%A4%AA%E0%A5%83%E0%A4%B7%E0%A5%8D%E0%A4%A0" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="विकिपीडिया" src="/static/images/mobile/copyright/wikipedia-wordmark-hi.svg" style="width: 7.5em; height: 1.75em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-hi.svg" width="108" height="18" style="width: 6.75em; height: 1.125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/%E0%A4%B5%E0%A4%BF%E0%A4%B6%E0%A5%87%E0%A4%B7:%E0%A4%96%E0%A5%8B%E0%A4%9C" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="इस विकि में खोजें [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>खोजें</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="विकिपीडिया में खोजें" aria-label="विकिपीडिया में खोजें" autocapitalize="sentences" title="इस विकि में खोजें [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="विशेष:खोज"> </div> <button class="cdx-button cdx-search-input__end-button">खोजें</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="व्यक्तिगत उपकरण"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="दिखावट"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="पृष्ठ के फ़ॉन्ट का आकार, चौड़ाई और रंग बदलें" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="दिखावट" > <label id="vector-appearance-dropdown-label" for="vector-appearance-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-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">दिखावट</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" 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_hi.wikipedia.org&uselang=hi" class=""><span>दान करें</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=%E0%A4%B5%E0%A4%BF%E0%A4%B6%E0%A5%87%E0%A4%B7:%E0%A4%96%E0%A4%BE%E0%A4%A4%E0%A4%BE_%E0%A4%AC%E0%A4%A8%E0%A4%BE%E0%A4%8F%E0%A4%81&returnto=%E0%A4%B8%E0%A5%8D%E0%A4%AB%E0%A5%81%E0%A4%B0%E0%A4%A6%E0%A5%80%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BF" title="हमारा सुझाव है की आप खाता बनाएँ और लॉगिन करें, परन्तु यह अनिवार्य नहीं है" class=""><span>खाता बनाएँ</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=%E0%A4%B5%E0%A4%BF%E0%A4%B6%E0%A5%87%E0%A4%B7:%E0%A4%B2%E0%A5%89%E0%A4%97%E0%A4%BF%E0%A4%A8&returnto=%E0%A4%B8%E0%A5%8D%E0%A4%AB%E0%A5%81%E0%A4%B0%E0%A4%A6%E0%A5%80%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BF" title="आपको सत्रारम्भ करने के लिए प्रोत्साहित किया जाता है; लेकिन यह अनिवार्य नहीं है [o]" accesskey="o" class=""><span>लॉग-इन करें</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="अन्य विकल्प" > <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="व्यक्तिगत उपकरण" > <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">व्यक्तिगत उपकरण</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <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&utm_medium=sidebar&utm_campaign=C13_hi.wikipedia.org&uselang=hi"><span>दान करें</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E0%A4%B5%E0%A4%BF%E0%A4%B6%E0%A5%87%E0%A4%B7:%E0%A4%96%E0%A4%BE%E0%A4%A4%E0%A4%BE_%E0%A4%AC%E0%A4%A8%E0%A4%BE%E0%A4%8F%E0%A4%81&returnto=%E0%A4%B8%E0%A5%8D%E0%A4%AB%E0%A5%81%E0%A4%B0%E0%A4%A6%E0%A5%80%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BF" title="हमारा सुझाव है की आप खाता बनाएँ और लॉगिन करें, परन्तु यह अनिवार्य नहीं है"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>खाता बनाएँ</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E0%A4%B5%E0%A4%BF%E0%A4%B6%E0%A5%87%E0%A4%B7:%E0%A4%B2%E0%A5%89%E0%A4%97%E0%A4%BF%E0%A4%A8&returnto=%E0%A4%B8%E0%A5%8D%E0%A4%AB%E0%A5%81%E0%A4%B0%E0%A4%A6%E0%A5%80%E0%A4%AA%E0%A5%8D%E0%A4%A4%E0%A4%BF" title="आपको सत्रारम्भ करने के लिए प्रोत्साहित किया जाता है; लेकिन यह अनिवार्य नहीं है [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>लॉग-इन करें</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"> लॉग-आउट किए गए संपादकों के लिए पृष्ठ <a href="/wiki/%E0%A4%B8%E0%A4%B9%E0%A4%BE%E0%A4%AF%E0%A4%A4%E0%A4%BE:%E0%A4%AA%E0%A4%B0%E0%A4%BF%E0%A4%9A%E0%A4%AF" aria-label="संपादन के बारे में अधिक जानें"><span>अधिक जानें</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/%E0%A4%B5%E0%A4%BF%E0%A4%B6%E0%A5%87%E0%A4%B7:%E0%A4%AE%E0%A5%87%E0%A4%B0%E0%A5%87_%E0%A4%AF%E0%A5%8B%E0%A4%97%E0%A4%A6%E0%A4%BE%E0%A4%A8" title="इस आईपी पते से संपादन की सूची [y]" accesskey="y"><span>योगदान</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%E0%A4%B5%E0%A4%BF%E0%A4%B6%E0%A5%87%E0%A4%B7:%E0%A4%AE%E0%A5%87%E0%A4%B0%E0%A5%80_%E0%A4%B5%E0%A4%BE%E0%A4%B0%E0%A5%8D%E0%A4%A4%E0%A4%BE" title="इस आईपी एड्रेससे हुए बदलावों के बारे में वार्ता [n]" accesskey="n"><span>वार्ता</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> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="साइट"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="सामग्री" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">सामग्री</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">साइडबार पर जाएँ</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">छुपाएँ</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">शुरुआत</div> </a> </li> <li id="toc-इन्हें_भी_देखें" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#इन्हें_भी_देखें"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>इन्हें भी देखें</span> </div> </a> <ul id="toc-इन्हें_भी_देखें-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-बाहरी_कड़ियाँ" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#बाहरी_कड़ियाँ"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>बाहरी कड़ियाँ</span> </div> </a> <ul id="toc-बाहरी_कड़ियाँ-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="सामग्री" 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="विषयसूची को टॉगल करें" > <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">विषयसूची को टॉगल करें</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">स्फुरदीप्ति</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="दूसरे भाषा में लेख पर जाएँ। 47 भाषाओं में उपलब्ध" > <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-47" 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">47 भाषाएँ</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%81%D8%B3%D9%81%D9%88%D8%B1%D9%8A%D8%A9" title="فسفورية – अरबी" lang="ar" hreflang="ar" data-title="فسفورية" data-language-autonym="العربية" data-language-local-name="अरबी" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A4%D0%B0%D1%81%D1%84%D0%B0%D1%80%D0%B0%D1%81%D1%86%D1%8D%D0%BD%D1%86%D1%8B%D1%8F" title="Фасфарасцэнцыя – बेलारूसी" lang="be" hreflang="be" data-title="Фасфарасцэнцыя" data-language-autonym="Беларуская" data-language-local-name="बेलारूसी" 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%A4%D0%BE%D1%81%D1%84%D0%B0%D1%80%D1%8D%D1%81%D1%86%D1%8D%D0%BD%D1%86%D1%8B%D1%8F" title="Фосфарэсцэнцыя – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Фосфарэсцэнцыя" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" 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%A4%D0%BE%D1%81%D1%84%D0%BE%D1%80%D0%B5%D1%81%D1%86%D0%B5%D0%BD%D1%86%D0%B8%D1%8F" title="Фосфоресценция – बुल्गारियाई" lang="bg" hreflang="bg" data-title="Фосфоресценция" data-language-autonym="Български" data-language-local-name="बुल्गारियाई" 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%85%E0%A6%A3%E0%A7%81%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AD%E0%A6%BE" title="অণুপ্রভা – बंगाली" lang="bn" hreflang="bn" data-title="অণুপ্রভা" data-language-autonym="বাংলা" data-language-local-name="बंगाली" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Fosforescencija" title="Fosforescencija – बोस्नियाई" lang="bs" hreflang="bs" data-title="Fosforescencija" data-language-autonym="Bosanski" data-language-local-name="बोस्नियाई" 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/Fosforesc%C3%A8ncia" title="Fosforescència – कातालान" lang="ca" hreflang="ca" data-title="Fosforescència" data-language-autonym="Català" data-language-local-name="कातालान" 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/Fosforescence" title="Fosforescence – चेक" lang="cs" hreflang="cs" data-title="Fosforescence" data-language-autonym="Čeština" data-language-local-name="चेक" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Phosphoreszenz" title="Phosphoreszenz – जर्मन" lang="de" hreflang="de" data-title="Phosphoreszenz" data-language-autonym="Deutsch" data-language-local-name="जर्मन" 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%A6%CF%89%CF%83%CF%86%CE%BF%CF%81%CE%B9%CF%83%CE%BC%CF%8C%CF%82" title="Φωσφορισμός – यूनानी" lang="el" hreflang="el" data-title="Φωσφορισμός" data-language-autonym="Ελληνικά" data-language-local-name="यूनानी" 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/Phosphorescence" title="Phosphorescence – अंग्रेज़ी" lang="en" hreflang="en" data-title="Phosphorescence" data-language-autonym="English" data-language-local-name="अंग्रेज़ी" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Fosforesko" title="Fosforesko – एस्पेरेंतो" lang="eo" hreflang="eo" data-title="Fosforesko" data-language-autonym="Esperanto" data-language-local-name="एस्पेरेंतो" 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/Fosforescencia" title="Fosforescencia – स्पेनिश" lang="es" hreflang="es" data-title="Fosforescencia" data-language-autonym="Español" data-language-local-name="स्पेनिश" 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/Fosforestsents" title="Fosforestsents – एस्टोनियाई" lang="et" hreflang="et" data-title="Fosforestsents" data-language-autonym="Eesti" data-language-local-name="एस्टोनियाई" 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/Fosforeszentzia" title="Fosforeszentzia – बास्क" lang="eu" hreflang="eu" data-title="Fosforeszentzia" data-language-autonym="Euskara" data-language-local-name="बास्क" 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/%D9%81%D8%B3%D9%81%D8%B1%D8%AA%D8%A7%D8%A8%DB%8C" title="فسفرتابی – फ़ारसी" lang="fa" hreflang="fa" data-title="فسفرتابی" data-language-autonym="فارسی" data-language-local-name="फ़ारसी" 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/Fosforesenssi" title="Fosforesenssi – फ़िनिश" lang="fi" hreflang="fi" data-title="Fosforesenssi" data-language-autonym="Suomi" data-language-local-name="फ़िनिश" 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/Phosphorescence" title="Phosphorescence – फ़्रेंच" lang="fr" hreflang="fr" data-title="Phosphorescence" data-language-autonym="Français" data-language-local-name="फ़्रेंच" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Fosfaracht" title="Fosfaracht – आयरिश" lang="ga" hreflang="ga" data-title="Fosfaracht" data-language-autonym="Gaeilge" data-language-local-name="आयरिश" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Fosforescencia" title="Fosforescencia – गैलिशियन" lang="gl" hreflang="gl" data-title="Fosforescencia" data-language-autonym="Galego" data-language-local-name="गैलिशियन" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A4%D7%95%D7%A1%D7%A4%D7%95%D7%A8%D7%A1%D7%A6%D7%A0%D7%A6%D7%99%D7%94" title="פוספורסצנציה – हिब्रू" lang="he" hreflang="he" data-title="פוספורסצנציה" data-language-autonym="עברית" data-language-local-name="हिब्रू" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Fosforescencija" title="Fosforescencija – क्रोएशियाई" lang="hr" hreflang="hr" data-title="Fosforescencija" data-language-autonym="Hrvatski" data-language-local-name="क्रोएशियाई" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Foszforeszk%C3%A1l%C3%A1s" title="Foszforeszkálás – हंगेरियाई" lang="hu" hreflang="hu" data-title="Foszforeszkálás" data-language-autonym="Magyar" data-language-local-name="हंगेरियाई" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Fosforescenza" title="Fosforescenza – इतालवी" lang="it" hreflang="it" data-title="Fosforescenza" data-language-autonym="Italiano" data-language-local-name="इतालवी" 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/%E7%87%90%E5%85%89" title="燐光 – जापानी" lang="ja" hreflang="ja" data-title="燐光" data-language-autonym="日本語" data-language-local-name="जापानी" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A4%D0%BE%D1%81%D1%84%D0%BE%D1%80%D0%B5%D1%81%D1%86%D0%B5%D0%BD%D1%86%D0%B8%D1%8F" title="Фосфоресценция – कज़ाख़" lang="kk" hreflang="kk" data-title="Фосфоресценция" data-language-autonym="Қазақша" data-language-local-name="कज़ाख़" 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/%EC%9D%B8%EA%B4%91" title="인광 – कोरियाई" lang="ko" hreflang="ko" data-title="인광" data-language-autonym="한국어" data-language-local-name="कोरियाई" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A4%D0%BE%D1%81%D1%84%D0%BE%D1%80%D0%B5%D1%81%D1%86%D0%B5%D0%BD%D1%86%D0%B8%D1%8F" title="Фосфоресценция – किर्गीज़" lang="ky" hreflang="ky" data-title="Фосфоресценция" data-language-autonym="Кыргызча" data-language-local-name="किर्गीज़" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Fosforescence" title="Fosforescence – लातवियाई" lang="lv" hreflang="lv" data-title="Fosforescence" data-language-autonym="Latviešu" data-language-local-name="लातवियाई" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B5%8D%E0%B4%AB%E0%B5%81%E0%B4%B0%E0%B4%A6%E0%B5%80%E0%B4%AA%E0%B5%8D%E0%B4%A4%E0%B4%BF" title="സ്ഫുരദീപ്തി – मलयालम" lang="ml" hreflang="ml" data-title="സ്ഫുരദീപ്തി" data-language-autonym="മലയാളം" data-language-local-name="मलयालम" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Fosforescentie" title="Fosforescentie – डच" lang="nl" hreflang="nl" data-title="Fosforescentie" data-language-autonym="Nederlands" data-language-local-name="डच" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Fosforescens" title="Fosforescens – नॉर्वेजियाई बोकमाल" lang="nb" hreflang="nb" data-title="Fosforescens" data-language-autonym="Norsk bokmål" data-language-local-name="नॉर्वेजियाई बोकमाल" 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/Fosforesc%C3%A9ncia" title="Fosforescéncia – ओसीटान" lang="oc" hreflang="oc" data-title="Fosforescéncia" data-language-autonym="Occitan" data-language-local-name="ओसीटान" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Fosforescencja" title="Fosforescencja – पोलिश" lang="pl" hreflang="pl" data-title="Fosforescencja" data-language-autonym="Polski" data-language-local-name="पोलिश" 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/Fosforesc%C3%AAncia" title="Fosforescência – पुर्तगाली" lang="pt" hreflang="pt" data-title="Fosforescência" data-language-autonym="Português" data-language-local-name="पुर्तगाली" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A4%D0%BE%D1%81%D1%84%D0%BE%D1%80%D0%B5%D1%81%D1%86%D0%B5%D0%BD%D1%86%D0%B8%D1%8F" title="Фосфоресценция – रूसी" lang="ru" hreflang="ru" data-title="Фосфоресценция" data-language-autonym="Русский" data-language-local-name="रूसी" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Fosforescencija" title="Fosforescencija – सेर्बो-क्रोएशियाई" lang="sh" hreflang="sh" data-title="Fosforescencija" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="सेर्बो-क्रोएशियाई" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Phosphorescence" title="Phosphorescence – Simple English" lang="en-simple" hreflang="en-simple" data-title="Phosphorescence" data-language-autonym="Simple English" data-language-local-name="Simple English" 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/Fosforescencia" title="Fosforescencia – स्लोवाक" lang="sk" hreflang="sk" data-title="Fosforescencia" data-language-autonym="Slovenčina" data-language-local-name="स्लोवाक" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Fosforescencija" title="Fosforescencija – सर्बियाई" lang="sr" hreflang="sr" data-title="Fosforescencija" data-language-autonym="Српски / srpski" data-language-local-name="सर्बियाई" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%BF%E0%AE%A9%E0%AF%8D%E0%AE%B1%E0%AF%8A%E0%AE%B3%E0%AE%BF%E0%AE%B0%E0%AF%8D%E0%AE%A4%E0%AE%B2%E0%AF%8D" title="நின்றொளிர்தல் – तमिल" lang="ta" hreflang="ta" data-title="நின்றொளிர்தல்" data-language-autonym="தமிழ்" data-language-local-name="तमिल" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%9F%E0%B8%AD%E0%B8%AA%E0%B8%9F%E0%B8%AD%E0%B9%80%E0%B8%A3%E0%B8%AA%E0%B9%80%E0%B8%8B%E0%B8%99%E0%B8%8B%E0%B9%8C" title="ฟอสฟอเรสเซนซ์ – थाई" lang="th" hreflang="th" data-title="ฟอสฟอเรสเซนซ์" data-language-autonym="ไทย" data-language-local-name="थाई" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Fosforesans" title="Fosforesans – तुर्की" lang="tr" hreflang="tr" data-title="Fosforesans" data-language-autonym="Türkçe" data-language-local-name="तुर्की" 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%A4%D0%BE%D1%81%D1%84%D0%BE%D1%80%D0%B5%D1%81%D1%86%D0%B5%D0%BD%D1%86%D1%96%D1%8F" title="Фосфоресценція – यूक्रेनियाई" lang="uk" hreflang="uk" data-title="Фосфоресценція" data-language-autonym="Українська" data-language-local-name="यूक्रेनियाई" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Fosforessensiya" title="Fosforessensiya – उज़्बेक" lang="uz" hreflang="uz" data-title="Fosforessensiya" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="उज़्बेक" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/L%C3%A2n_quang" title="Lân quang – वियतनामी" lang="vi" hreflang="vi" data-title="Lân quang" data-language-autonym="Tiếng Việt" data-language-local-name="वियतनामी" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A3%B7%E5%85%89" title="磷光 – चीनी" lang="zh" hreflang="zh" data-title="磷光" data-language-autonym="中文" data-language-local-name="चीनी" class="interlanguage-link-target"><span>中文</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/Q192275#sitelinks-wikipedia" title="अंतरभाषा कड़ियाँ संपादित करें" class="wbc-editpage">कड़ियाँ संपादित करें</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="नामस्थान"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a 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<div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">मुक्त ज्ञानकोश विकिपीडिया से</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-ltr mw-parser-output" lang="hi" dir="ltr"><figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/%E0%A4%9A%E0%A4%BF%E0%A4%A4%E0%A5%8D%E0%A4%B0:Phosphorescence.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Phosphorescence.jpg/300px-Phosphorescence.jpg" decoding="async" width="300" height="248" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/32/Phosphorescence.jpg/450px-Phosphorescence.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/32/Phosphorescence.jpg/600px-Phosphorescence.jpg 2x" data-file-width="1799" data-file-height="1489" /></a><figcaption>स्फुरदीप्ति</figcaption></figure> <p><b>स्फुरदीप्ति</b> (Phosphorescence) पदार्थ का वो गुण है जिस के कारण पदार्थ से प्रकाश का उत्सर्जन ज्ञेय ऊष्मा के बिना होता है। ऍसे पदार्थ, जिस मे से प्रकाश का उत्सर्जन उत्तेजक विकिरण के समाप्त हो जाने के पश्चात्‌ होता है, 'स्फुरदीप्त पदार्थ' (Phosphorescent material) कहलाते हैं। स्फुरदीप्ति विभिन्न पदार्थो में भिन्न भिन्न काल तक बनी रह सकती है तथा यह काल माइक्रोसेकंड (10e-6 सेकंड) से लेकर कई घंटों तक का हो सकता है। नाभिकीय गणित्र के लिये केवल लघुकालवाले स्फुरदीप्त पदार्थ ही उपयोगी होते हैं। इसमें कई ऐसे पदार्थ पाए जाते है, जो प्रकाश को अवशोषित कर एक अलग तरह का प्रकाश उत्सर्जित करते है | इसमें कुछ पदार्थ ऐसे हो है, जिन पर जब तक प्रकाश पड़ता है, तब तक वे प्रकाश का उत्सर्जन करते हैं | इस तरह के पदार्थों को प्रतिदीप्ति पदार्थ कहते है | वहीँ कुछ पदार्थ ऐसे भी होते है, जिन पर प्रकाश पड़ना बंद भी हो जाए, फिर भी उनके द्वारा कुछ देर तक प्रकाश का उत्सर्जन होता रहता है | इस घटना को ही ' स्फुरदीप्ति ' (Phosphorescence) कहते है और ऐसे पदार्थों को ' स्फुरदीप्ति पदार्थ ' कहा जाता हैं | जिंक सल्फाइड . केल्सियम सल्फाइड, बेरियम सल्फाइड आदि स्फुरदीप्ति पदार्थों के उदाहरण है | प्रकाश डालना बंद करने पर जितने समय तक स्फुरदीप्ति पदार्थ प्रकाश का उत्सर्जन करते हैं, उसे ' स्फुरदीप्ति काल ' कहा जाता है, जो प्रकाश की प्रकृति पर निर्भर करता है | गर्म करने पर स्फुरदीप्ति पदार्थों की क्षमता नष्ट हो जाती है | आजकल घडी की सुइयों, साइन बोर्ड, विद्युत बोर्ड इत्यादि पर स्फुरदीप्ति पदार्थों का लेप चढाते हैं | ये पदार्थ दिन में सूर्य का प्रकाश अवशोषित कर रात में चमकते हैं | स्फुरदीप्ति पदार्थों के अध्ययन के दौरान ही वर्ष 1897 में फ्रांसीसी वैज्ञानिक हेनरी बैकेरल ने रेडियोधर्मिता की खोज की थी | </p> <div class="mw-heading mw-heading2"><h2 id="इन्हें_भी_देखें"><span id=".E0.A4.87.E0.A4.A8.E0.A5.8D.E0.A4.B9.E0.A5.87.E0.A4.82_.E0.A4.AD.E0.A5.80_.E0.A4.A6.E0.A5.87.E0.A4.96.E0.A5.87.E0.A4.82"></span>इन्हें भी देखें</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a 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/></span></span></td> <td class="mbox-text" style=""> <i><b><a href="https://hi.wiktionary.org/wiki/phosphorescence" class="extiw" title="wikt:phosphorescence">phosphorescence</a></b></i> या <i><b><a href="https://hi.wiktionary.org/wiki/glowing" class="extiw" title="wikt:glowing">glowing</a></b></i> को <a href="/wiki/%E0%A4%B5%E0%A4%BF%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A4%A8%E0%A4%B0%E0%A5%80" title="विक्षनरी">विक्षनरी</a> में देखें जो एक मुक्त शब्दकोश है। </td> </tr> </tbody></table> <ul><li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20110405122526/http://kronometric.org/article/lume/#4.0">LUMINOSITY IN WATCHES</a></li></ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">"<a dir="ltr" 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