{"id":3239,"date":"2023-01-09T10:13:57","date_gmt":"2023-01-09T10:13:57","guid":{"rendered":"https:\/\/10thclass.deltapublications.in\/?page_id=3239"},"modified":"2025-01-01T11:48:06","modified_gmt":"2025-01-01T11:48:06","slug":"s-11-e-atmospheric-refraction","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/s-11-e-atmospheric-refraction\/","title":{"rendered":"s-11.e Atmospheric Refraction"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Atmospheric Refraction<\/strong><\/h2>\n\n\n\n<p class=\"has-text-color has-link-color has-huge-font-size wp-elements-f79afd6ea8b322268468366b8e5f7cc7\" style=\"color:#74008b\"><strong>Key Notes:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>What is Atmospheric Refraction?<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Atmospheric refraction is the bending of light as it passes through different layers of Earth&#8217;s atmosphere, which have varying densities.<\/li>\n\n\n\n<li>The Earth&#8217;s atmosphere has different layers with different densities, causing light to bend (refract) as it enters or moves through these layers.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170951.374-1-1024x640.png\" alt=\"\" class=\"wp-image-16993\" style=\"width:492px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170951.374-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170951.374-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170951.374-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170951.374-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170951.374-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170951.374-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>This bending is responsible for phenomena like the apparent shift in the position of stars or the rising and setting of the Sun.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-background\" style=\"background-color:#dfc816\"><strong>Why Does Atmospheric Refraction Occur?<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Density of Air<\/strong>: Air is denser near the Earth&#8217;s surface and less dense as altitude increases.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171216.745-1-1024x640.png\" alt=\"\" class=\"wp-image-16995\" style=\"width:420px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171216.745-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171216.745-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171216.745-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171216.745-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171216.745-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171216.745-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Change in Speed of Light<\/strong>: Light changes speed when moving from one medium (like air) to another with a different density, causing it to bend:\n<ul class=\"wp-block-list\">\n<li>When light moves from less dense air (higher altitude) to denser air (closer to the ground), it slows down and bends <strong>towards the normal<\/strong> (an imaginary line perpendicular to the surface).<\/li>\n\n\n\n<li>When light moves from denser air to less dense air, it speeds up and bends <strong>away from the normal<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Effects of Atmospheric Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Twinkling of Stars<\/strong>: Stars appear to twinkle because of the atmospheric refraction, as starlight is bent through different layers of the atmosphere, causing brightness changes.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1024x640.png\" alt=\"\" class=\"wp-image-16997\" style=\"width:546px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Apparent Position of the Sun<\/strong>: Due to atmospheric refraction, the Sun appears <strong>slightly above the horizon<\/strong> even after it has set. This is why we see the Sun for a short time after it has actually set or before it rises.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171504.337-1-1024x640.png\" alt=\"\" class=\"wp-image-16999\" style=\"width:494px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171504.337-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171504.337-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171504.337-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171504.337-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171504.337-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171504.337-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Red and Orange Sunsets<\/strong>: During sunset or sunrise, the Sun\u2019s light travels through a thicker layer of the atmosphere, causing shorter wavelengths (blue and violet) to scatter. This leaves longer wavelengths (red, orange) to dominate, giving the Sun its reddish-orange color.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171542.393-1-1024x640.png\" alt=\"\" class=\"wp-image-17001\" style=\"width:486px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171542.393-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171542.393-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171542.393-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171542.393-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171542.393-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171542.393-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mirage<\/strong>: A <strong>mirage<\/strong> is an optical illusion caused by atmospheric refraction, where you may see water or distant objects appearing to float in the air. This occurs due to temperature differences between the ground and the air above it, which bends light.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1024x640.png\" alt=\"\" class=\"wp-image-17004\" style=\"width:504px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Laws of Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>First Law of Refraction (Snell\u2019s Law)<\/strong>: When light passes from one medium to another, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"264\" height=\"89\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2024\/12\/1F17C686-14F5-41EF-A893-A5C5D966F600.png\" alt=\"\" class=\"wp-image-15271\"\/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>i<\/strong> = Angle of incidence<\/li>\n\n\n\n<li><strong>r<\/strong> = Angle of refraction<\/li>\n\n\n\n<li><strong>v\u2081 and v\u2082<\/strong> = Speeds of light in the two media.<\/li>\n\n\n\n<li><strong>Critical Angle<\/strong>: The <strong>critical angle<\/strong> is the angle of incidence beyond which total internal reflection occurs. If the angle of incidence is greater than the critical angle, light is <strong>completely reflected<\/strong> inside the denser medium.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170844.366-1024x640.png\" alt=\"\" class=\"wp-image-16990\" style=\"width:356px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170844.366-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170844.366-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170844.366-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170844.366-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170844.366-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T170844.366.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Applications of Atmospheric Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Twinkling of Stars<\/strong>: Helps explain why stars seem to change brightness and color.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1024x640.png\" alt=\"\" class=\"wp-image-16997\" style=\"width:488px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171344.357-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Navigation<\/strong>: Atmospheric refraction affects the apparent position of stars, used for navigation.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171757.375-1024x640.png\" alt=\"\" class=\"wp-image-17005\" style=\"width:476px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171757.375-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171757.375-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171757.375-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171757.375-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171757.375-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171757.375.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mirages<\/strong>: Atmospheric refraction creates optical illusions of water or other objects that are not physically present.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1024x640.png\" alt=\"\" class=\"wp-image-17004\" style=\"width:504px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T171638.393-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#dfc816\"><strong>Conclusion:<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Atmospheric refraction is a phenomenon that affects how we observe the sky, stars, and even the Sun\u2019s position.<\/li>\n\n\n\n<li>It is a result of the bending of light due to changes in the air\u2019s density as light moves through different layers of the atmosphere.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group has-large-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-color\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/83075\/246\/505\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-41.png\" alt=\"\" class=\"wp-image-5563\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-41.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-41-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-41-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/wordwall.net\/play\/81513\/192\/719\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-40.png\" alt=\"\" class=\"wp-image-5564\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-40.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-40-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-40-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Atmospheric Refraction Key Notes: What is Atmospheric Refraction? Why Does Atmospheric Refraction Occur? Effects of Atmospheric Refraction Laws of Refraction Applications of Atmospheric Refraction Conclusion: Let&#8217;s practice!<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3239","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3239"}],"version-history":[{"count":16,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3239\/revisions"}],"predecessor-version":[{"id":17007,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3239\/revisions\/17007"}],"wp:attachment":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}