{"id":2504,"date":"2020-10-24T20:59:24","date_gmt":"2020-10-24T20:59:24","guid":{"rendered":"https:\/\/eschooltoday.com\/learn\/?page_id=2504"},"modified":"2021-08-28T12:34:57","modified_gmt":"2021-08-28T12:34:57","slug":"what-is-radiation","status":"publish","type":"page","link":"https:\/\/eschooltoday.com\/learn\/what-is-radiation\/","title":{"rendered":"What is Radiation in thermal energy transfer?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2504\" class=\"elementor elementor-2504\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cbac16f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cbac16f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-07c991b\" data-id=\"07c991b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-10bc77b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10bc77b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-16792c0\" data-id=\"16792c0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-84691d0 elementor-align-start elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"84691d0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Kinds of energy<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afffd47 elementor-widget elementor-widget-jet-nav-menu\" data-id=\"afffd47\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"jet-nav-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav class=\"jet-nav-wrap m-layout-mobile\"><div class=\"menu-kinds-of-energy-container\"><div class=\"jet-nav m-layout-mobile jet-nav--vertical jet-nav--vertical-sub-left-side\"><div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2352 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/what-is-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">What is energy?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2351 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/kinetic-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Kinetic Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2350 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/mechanical-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Mechanical Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2424 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/sound-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Sound Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2423 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/thermal-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Thermal Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2422 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/chemical-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Chemical Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2421 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/electrical-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Electrical Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2420 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/gravitational-and-potential-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Gravitational and Potential Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2429 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/elastic-potential-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Elastic Potential Energy<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2419 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/radiant-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">What is Radiant Energy?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2417 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/nuclear-energy\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">What is Nuclear Energy?<\/span><\/a><\/div>\n<div class=\"menu-item menu-item-type-post_type menu-item-object-page jet-nav__item-2418 jet-nav__item\"><a href=\"https:\/\/eschooltoday.com\/learn\/energy-stored-transferred-and-dissipation\/\" class=\"menu-item-link menu-item-link-depth-0 menu-item-link-top\"><span class=\"jet-nav-link-text\">Energy stored, Transferred and Dissipation<\/span><\/a><\/div>\n<\/div><\/div><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-e1d25ad\" data-id=\"e1d25ad\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d77db02 elementor-widget elementor-widget-heading\" data-id=\"d77db02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Heat transfer by Radiation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-264ee02 elementor-widget elementor-widget-text-editor\" data-id=\"264ee02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/eschooltoday.com\/learn\/what-is-conduction\/\">CONDUCTION<\/a> | <a href=\"https:\/\/eschooltoday.com\/learn\/what-is-convection\/\">CONVECTION<\/a>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ecea603 elementor-widget elementor-widget-text-editor\" data-id=\"ecea603\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>All objects transfer thermal energy by infra-red radiation. The hotter<br \/>an object is, the more infra-red radiation it gives off. No particles are<br \/>involved in radiation, unlike conduction and convection.<\/p><figure id=\"attachment_2525\" aria-describedby=\"caption-attachment-2525\" style=\"width: 600px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-2525\" src=\"https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/10\/radiation.jpg\" alt=\"Heat transfer by radiation\" width=\"600\" height=\"358\" srcset=\"https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/10\/radiation.jpg 600w, https:\/\/eschooltoday.com\/learn\/wp-content\/uploads\/2020\/10\/radiation-300x179.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption id=\"caption-attachment-2525\" class=\"wp-caption-text\">Heat transfer by radiation<\/figcaption><\/figure><p>That means that thermal energy transfer by radiation can even work<br \/>in space, but conduction and convection cannot.<br \/>One good example is the sun. Even though it is millions of kilometers<br \/>away in space, we can still feel its heat. Radiation is how we can feel<br \/>the heat of the sun. Its thermal energy is transferred by<br \/>electromagnetic waves.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-9aa46ca\" data-id=\"9aa46ca\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8cbdddf elementor-widget elementor-widget-html\" data-id=\"8cbdddf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\n<!-- Tall-Responsive -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-4993435605385515\"\n     data-ad-slot=\"6804764118\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-68b3bcf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"68b3bcf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-67948d0\" data-id=\"67948d0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ae4f234 elementor-widget elementor-widget-button\" data-id=\"ae4f234\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/eschooltoday.com\/learn\/thermal-energy\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">GO BACK<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-5e7a852\" data-id=\"5e7a852\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c1dbcc6 elementor-widget elementor-widget-button\" data-id=\"c1dbcc6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-md\" href=\"https:\/\/eschooltoday.com\/learn\/chemical-energy\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">NEXT PAGE<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Kinds of energy What is energy? Kinetic Energy Mechanical Energy Sound Energy Thermal Energy Chemical Energy Electrical Energy Gravitational and Potential Energy Elastic Potential Energy Radiant Energy Nuclear Energy Energy stored, Transferred and Dissipation Heat transfer by Radiation CONDUCTION | CONVECTION&nbsp; All objects transfer thermal energy by infra-red radiation. The hotter an object is, the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/fullwidth-content.php","meta":{"footnotes":""},"class_list":["post-2504","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/2504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/comments?post=2504"}],"version-history":[{"count":8,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/2504\/revisions"}],"predecessor-version":[{"id":10208,"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/pages\/2504\/revisions\/10208"}],"wp:attachment":[{"href":"https:\/\/eschooltoday.com\/learn\/wp-json\/wp\/v2\/media?parent=2504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}