{"id":908,"date":"2025-05-08T14:54:27","date_gmt":"2025-05-08T14:54:27","guid":{"rendered":"https:\/\/yaveni.com\/blog\/?p=908"},"modified":"2025-05-08T14:54:28","modified_gmt":"2025-05-08T14:54:28","slug":"according-to-the-video","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/according-to-the-video\/","title":{"rendered":"According to the video"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">According to the video, we feel the heat from the radiator mainly by <strong><em>__<\/em><\/strong>. *<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A conduction<br>B radiation<br>C convection<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>The correct answer and explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Correct Answer: B. Radiation<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We feel the heat from a radiator mainly by <strong>radiation<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation (Approx. 300 words):<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Heat can be transferred in three primary ways: <strong>conduction<\/strong>, <strong>convection<\/strong>, and <strong>radiation<\/strong>. When it comes to how we feel warmth from a radiator across a room, <strong>radiation<\/strong> is the main mechanism.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Radiation<\/strong> involves the transfer of heat through electromagnetic waves, particularly <strong>infrared radiation<\/strong>. Unlike conduction and convection, radiation does not need a medium like air or metal to travel. This means that thermal radiation can travel through a vacuum (like from the Sun to the Earth) and also through air. When a radiator heats up, it emits infrared radiation. These invisible rays travel in straight lines and are absorbed by nearby objects\u2014including your skin\u2014making you feel warm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conduction<\/strong> happens when heat is transferred through direct contact. For example, if you touch the surface of a hot radiator, the heat is transferred to your hand by conduction. However, if you&#8217;re just standing near the radiator without touching it, conduction isn&#8217;t involved in how you feel the warmth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Convection<\/strong> is the transfer of heat through the movement of fluids or gases. In a room, the air near the radiator warms up, becomes less dense, and rises. Cooler air then replaces it, creating a convection current. While this process helps heat the room overall, <strong>convection<\/strong> does not account for the immediate sensation of warmth on your skin when you&#8217;re standing near the radiator. That sensation comes from the infrared radiation striking and being absorbed by your body.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, although <strong>convection<\/strong> helps distribute heat in a room and <strong>conduction<\/strong> plays a role when touching the radiator, <strong>radiation<\/strong> is the primary way we <strong>feel<\/strong> heat directly from a radiator at a distance.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>According to the video, we feel the heat from the radiator mainly by __. * A conductionB radiationC convection The correct answer and explanation is : Correct Answer: B. Radiation We feel the heat from a radiator mainly by radiation. Explanation (Approx. 300 words): Heat can be transferred in three primary ways: conduction, convection, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-908","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=908"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/908\/revisions"}],"predecessor-version":[{"id":909,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/908\/revisions\/909"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}