{"id":133636,"date":"2022-03-03T23:40:21","date_gmt":"2022-03-03T18:10:21","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/?p=133636"},"modified":"2024-10-15T15:42:59","modified_gmt":"2024-10-15T10:12:59","slug":"hecw-physics-behind-the-blue-sky","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/eye\/hecw-physics-behind-the-blue-sky\/","title":{"rendered":"HECW \u2013 Physics behind the blue sky"},"content":{"rendered":"<p><strong>Table of Contents<\/strong><\/p>\n<ul>\n<li>Reason for Sky being Blue<\/li>\n<li>Summary<\/li>\n<li>What\u2019s Next?<\/li>\n<\/ul>\n<p>In the previous segment, we understood <strong>why stars twinkle at night. <\/strong>In this segment, we will learn about the physics behind the blue sky.<\/p>\n<h2>Why is the sky blue?<\/h2>\n<ul>\n<li>The colour of the sky is blue due to the atmosphere of the earth and the sunlight.<\/li>\n<li>The white light coming from the sun is a mixture of seven primary colours. Each coloured light has a corresponding frequency and wavelength associated with it. The violet coloured light has the shortest wavelength of all, while the red one has the largest wavelength.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-133635 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/img-1646330505982.jpg\" alt=\"\" width=\"601\" height=\"308\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/img-1646330505982.jpg?v=1646330507 601w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/img-1646330505982-300x154.jpg?v=1646330507 300w\" sizes=\"(max-width: 601px) 100vw, 601px\" \/><\/p>\n<p><strong>Different wavelengths of light<\/strong><\/p>\n<ul>\n<li>The earth\u2019s atmosphere is mainly composed of gases, dust particles, water droplets and<\/li>\n<\/ul>\n<p>water vapour.<\/p>\n<ul>\n<li>Among these gases, nitrogen is present in abundant quantities, at around 78%, followed by oxygen which is approximately 21%, and the remaining is filled with the likes of argon, carbon dioxide, and other gases.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Table of Contents Reason for Sky being Blue Summary What\u2019s Next? In the previous segment, we understood why stars twinkle [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"HECW \u2013 Physics behind the blue sky","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"HECW \u2013 Physics behind the blue sky | Class 10 Physics Eye","custom_permalink":"class-10\/physics\/eye\/hecw-physics-behind-the-blue-sky\/"},"categories":[4],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HECW \u2013 Physics behind the blue sky - Infinity Learn by Sri Chaitanya<\/title>\n<meta name=\"description\" content=\"HECW \u2013 Physics behind the blue sky | Class 10 Physics Eye\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/infinitylearn.com\/surge\/class-10\/physics\/eye\/hecw-physics-behind-the-blue-sky\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HECW \u2013 Physics behind the blue sky - 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