{"id":3228,"date":"2023-01-09T10:12:46","date_gmt":"2023-01-09T10:12:46","guid":{"rendered":"https:\/\/10thclass.deltapublications.in\/?page_id=3228"},"modified":"2025-01-01T16:49:19","modified_gmt":"2025-01-01T16:49:19","slug":"s-10-c-refraction-of-light","status":"publish","type":"page","link":"https:\/\/10thclass.deltapublications.in\/index.php\/s-10-c-refraction-of-light\/","title":{"rendered":"s-10.c Refraction Of Light"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#00056d;text-transform:uppercase\"><strong>Refraction Of Light<\/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<p class=\"has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-888984478013c638c58d9f04c70fe8b4\" style=\"color:#000060;background-color:#dfc816\"><strong>Definition<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Refraction<\/strong>: The bending of light as it passes from one medium to another due to a change in its speed.<\/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-2025-01-01T220443.273-1-1024x640.png\" alt=\"\" class=\"wp-image-17078\" style=\"width:396px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220443.273-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220443.273-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220443.273-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220443.273-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220443.273-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220443.273-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-8dfd218613a5a66957f8477be7f3eef7\" style=\"color:#000060;background-color:#dfc816\"><strong>Cause of Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>When light moves between two transparent media (e.g., air to water), its speed changes because of the different optical densities of the media.<\/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-2025-01-01T220536.032-1-1024x640.png\" alt=\"\" class=\"wp-image-17081\" style=\"width:474px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220536.032-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220536.032-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220536.032-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220536.032-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220536.032-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220536.032-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-a3a835fb6162762c9e9ef7c092c6d8ed\" style=\"color:#000060;background-color:#dfc816\"><strong>Key Terms<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Incident Ray<\/strong>: The ray of light approaching the boundary of two media.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1000\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220612.679.png\" alt=\"\" class=\"wp-image-17082\" style=\"width:458px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220612.679.png 1600w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220612.679-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220612.679-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220612.679-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220612.679-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220612.679-1568x980.png 1568w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Refracted Ray<\/strong>: The ray of light that bends as it enters the second medium.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1000\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220638.683.png\" alt=\"\" class=\"wp-image-17083\" style=\"width:488px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220638.683.png 1600w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220638.683-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220638.683-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220638.683-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220638.683-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220638.683-1568x980.png 1568w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Normal<\/strong>: An imaginary line perpendicular to the surface at the point of incidence.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1000\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907.png\" alt=\"\" class=\"wp-image-17085\" style=\"width:460px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907.png 1600w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-1568x980.png 1568w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Angle of Incidence (i)<\/strong>: The angle between the incident ray and the normal.<\/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-2025-01-01T220707.665-1024x640.png\" alt=\"\" class=\"wp-image-17084\" style=\"width:466px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220707.665-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220707.665-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220707.665-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220707.665-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220707.665-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220707.665.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Angle of Refraction (r)<\/strong>: The angle between the refracted ray and the normal.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1000\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907.png\" alt=\"\" class=\"wp-image-17085\" style=\"width:460px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907.png 1600w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220737.907-1568x980.png 1568w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-7644a51bf7864bcfe984e47b6463d38c\" style=\"color:#000060;background-color:#dfc816\"><strong>Laws of Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>The incident ray, the refracted ray, and the normal at the point of incidence all lie in the same plane.<\/li>\n\n\n\n<li><strong>Snell&#8217;s Law<\/strong>: The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for a given pair of media. <\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-large-font-size\"><strong>sin\u2061<em>i<\/em> \/ sin<em>\u2061r<\/em> = n<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">where n is the refractive index.<\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Absolute Refractive Index<\/strong> (n): The ratio of the speed of light in a vacuum (c) to the speed of light in the medium (v). <\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-large-font-size\"><strong>n = c\/v<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Relative Refractive Index<\/strong>: The ratio of the refractive indices of two media.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-7bbc5879f3bc626cd64c65e6921b9117\" style=\"color:#000060;background-color:#dfc816\"><strong>Effects of Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Apparent Depth<\/strong>: Objects under water appear shallower than their actual depth.<\/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-2025-01-01T220952.690-1024x640.png\" alt=\"\" class=\"wp-image-17090\" style=\"width:528px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220952.690-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220952.690-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220952.690-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220952.690-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220952.690-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220952.690.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Bent Appearance of Objects<\/strong>: A stick partially immersed in water appears bent at the water surface.<\/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-2025-01-01T220828.685-1-1024x640.png\" alt=\"\" class=\"wp-image-17088\" style=\"width:528px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220828.685-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220828.685-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220828.685-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220828.685-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220828.685-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T220828.685-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Dispersion<\/strong>: Refraction causes white light to split into its constituent colors (e.g., rainbow formation).<\/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-2025-01-01T221041.857-1024x640.png\" alt=\"\" class=\"wp-image-17091\" style=\"width:548px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221041.857-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221041.857-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221041.857-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221041.857-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221041.857-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221041.857.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-42bb014bb739f1ea50c31db84d8e5397\" style=\"color:#000060;background-color:#dfc816\"><strong>Critical Angle and Total Internal Reflection<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Critical Angle (C)<\/strong>: The angle of incidence in the denser medium for which the angle of refraction in the rarer medium is 90<sup>\u2218<\/sup>.<\/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-2025-01-01T221159.777-1-1024x640.png\" alt=\"\" class=\"wp-image-17093\" style=\"width:502px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221159.777-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221159.777-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221159.777-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221159.777-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221159.777-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221159.777-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Total Internal Reflection<\/strong>: When the angle of incidence exceeds the critical angle, light reflects entirely back into 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-2025-01-01T221309.708-1-1024x640.png\" alt=\"\" class=\"wp-image-17095\" style=\"width:502px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221309.708-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221309.708-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221309.708-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221309.708-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221309.708-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221309.708-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-85dec2b1f486be888580d863f911f2fd\" style=\"color:#000060;background-color:#dfc816\"><strong>Applications of Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Lenses<\/strong>: Used in eyeglasses, cameras, and microscopes.<\/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-2025-01-01T221417.416-1-1024x640.png\" alt=\"\" class=\"wp-image-17097\" style=\"width:468px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221417.416-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221417.416-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221417.416-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221417.416-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221417.416-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221417.416-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Prisms<\/strong>: Separate light into colors (spectra).<\/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-2025-01-01T221515.125-1-1024x640.png\" alt=\"\" class=\"wp-image-17099\" style=\"width:530px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221515.125-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221515.125-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221515.125-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221515.125-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221515.125-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221515.125-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li><strong>Mirages<\/strong>: Optical illusion due to atmospheric refraction.<\/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-2025-01-01T221618.547-1-1024x640.png\" alt=\"\" class=\"wp-image-17101\" style=\"width:474px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221618.547-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221618.547-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221618.547-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221618.547-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221618.547-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221618.547-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color has-large-font-size wp-elements-6b47f99aa89c911a4d3cfe7c8d249cf4\" style=\"color:#000060;background-color:#dfc816\"><strong>Real-Life Examples<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Formation of rainbows.<\/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-2025-01-01T221737.053-1-1024x640.png\" alt=\"\" class=\"wp-image-17103\" style=\"width:474px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221737.053-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221737.053-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221737.053-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221737.053-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221737.053-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221737.053-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Twinkling of stars (caused by atmospheric refraction).<\/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-2025-01-01T221838.545-1-1024x640.png\" alt=\"\" class=\"wp-image-17105\" style=\"width:470px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221838.545-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221838.545-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221838.545-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221838.545-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221838.545-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221838.545-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Bending of light in optical fibers for communication.<\/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-2025-01-01T221938.085-1-1024x640.png\" alt=\"\" class=\"wp-image-17107\" style=\"width:514px;height:auto\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221938.085-1-1024x640.png 1024w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221938.085-1-300x188.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221938.085-1-768x480.png 768w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221938.085-1-1536x960.png 1536w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221938.085-1-1568x980.png 1568w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2025\/01\/Untitled-design-2025-01-01T221938.085-1.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-8545c6e6463ce0fd7223a947f9a249c7\" style=\"color:#000060;background-color:#dfc816\"><strong>Experiments to Understand Refraction<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list has-large-font-size\">\n<li>Refraction of light through a glass slab: Demonstrates lateral shift.<\/li>\n\n\n\n<li>Refraction through a prism: Demonstrates dispersion.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-text-color has-background has-link-color wp-elements-6c6bb36496b49ef3f924c9559cc45aa6\" style=\"color:#000060;background-color:#dfc816\"><strong>Important Formulas<\/strong><\/h4>\n\n\n\n<p class=\"has-large-font-size\">Snell\u2019s Law: <\/p>\n\n\n\n<p class=\"has-text-align-center has-large-font-size\"><strong>n<sub>1<\/sub>sin\u2061i = n<sub>2<\/sub>sin\u2061r<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\">Refractive Index: <\/p>\n\n\n\n<p class=\"has-text-align-center has-large-font-size\"><strong>n = Speed&nbsp;of&nbsp;light&nbsp;in&nbsp;vacuum \/ Speed&nbsp;of&nbsp;light&nbsp;in&nbsp;medium<\/strong><\/p>\n\n\n\n<p class=\"has-text-color has-large-font-size\" style=\"color:#d90000\"><strong>Let&#8217;s practice!<\/strong><\/p>\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\/83069\/096\/235\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-36.png\" alt=\"\" class=\"wp-image-5550\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-36.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-36-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-3-36-150x150.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\/81512\/381\/302\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-36.png\" alt=\"\" class=\"wp-image-5551\" srcset=\"https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-36.png 500w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-36-300x300.png 300w, https:\/\/10thclass.deltapublications.in\/wp-content\/uploads\/2023\/03\/Worksheet-1-1-2-36-150x150.png 150w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Refraction Of Light Key Notes: Definition Cause of Refraction Key Terms Laws of Refraction sin\u2061i \/ sin\u2061r = n where n is the refractive index. n = c\/v Effects of Refraction Critical Angle and Total Internal Reflection Applications of Refraction Real-Life Examples Experiments to Understand Refraction Important Formulas Snell\u2019s Law: n1sin\u2061i = n2sin\u2061r Refractive Index:<a class=\"more-link\" href=\"https:\/\/10thclass.deltapublications.in\/index.php\/s-10-c-refraction-of-light\/\">Continue reading <span class=\"screen-reader-text\">&#8220;s-10.c Refraction Of Light&#8221;<\/span><\/a><\/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-3228","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3228","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=3228"}],"version-history":[{"count":22,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3228\/revisions"}],"predecessor-version":[{"id":17108,"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3228\/revisions\/17108"}],"wp:attachment":[{"href":"https:\/\/10thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}