{"id":342308,"date":"2023-01-06T12:45:51","date_gmt":"2023-01-06T07:15:51","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/question\/as-light-travels-from-a-rarer-to-a-denser-medium-it-will-have-which-of-the-following\/"},"modified":"2025-06-26T18:21:02","modified_gmt":"2025-06-26T12:51:02","slug":"as-light-travels-from-a-rarer-to-a-denser-medium-it-will-have-which-of-the-following","status":"publish","type":"questions","link":"https:\/\/infinitylearn.com\/surge\/question\/physics\/as-light-travels-from-a-rarer-to-a-denser-medium-it-will-ha\/","title":{"rendered":"As light travels from a rarer to a denser medium, it will have which of the following?"},"content":{"rendered":"","protected":false},"author":1,"template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"As light travels from a rarer to a denser medium, it will have which of the following?","custom_permalink":"question\/physics\/as-light-travels-from-a-rarer-to-a-denser-medium-it-will-ha\/"},"categories":[],"acf":{"question":"<p style=\"margin-top:0pt; margin-bottom:0pt; line-height:normal; font-size:12pt\"><span>As light travels from a rarer to a denser medium, it will have which of the following?<\/span><\/p><br><pstyle=\"margin-top:0pt;margin-bottom:0pt;line-height:normal;font-size:12pt\"><spanstyle=\"font-family:'timesnewroman';-aw-import:ignore\"><p><\/p><spanstyle=\"font-family:'timesnewroman';-aw-import:spaces\"><pstyle=\"margin-top:0pt;margin-bottom:8pt;line-height:normal;font-size:12pt\"><spanstyle=\"font-family:'timesnewroman';-aw-import:ignore\"><p><\/p><\/spanstyle=\"font-family:'timesnewroman';-aw-import:ignore\"><\/pstyle=\"margin-top:0pt;margin-bottom:8pt;line-height:normal;font-size:12pt\"><\/spanstyle=\"font-family:'timesnewroman';-aw-import:spaces\"><\/spanstyle=\"font-family:'timesnewroman';-aw-import:ignore\"><\/pstyle=\"margin-top:0pt;margin-bottom:0pt;line-height:normal;font-size:12pt\">","options":[{"option":"increased velocity<span>&nbsp;&nbsp;&nbsp;&nbsp; <\/span>","correct":false},{"option":"decreased velocity<span>&nbsp;&nbsp;&nbsp;&nbsp; <\/span>","correct":false},{"option":"decreased wavelength<span>&nbsp;&nbsp;&nbsp;&nbsp; <\/span>","correct":false},{"option":"both 2 and 3<span>&nbsp;<\/span>","correct":true}],"solution":"<span>Its velocity and wavelength decrease when light travels from a rarer to a denser medium.<\/span><br><span>A denser medium will have a refractive index greater than a rarer medium. Thus, according to the law of refraction, speed will decrease while travelling from a rarer to a denser medium, and according to the relation <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>n<\/mi><mo>=<\/mo><mfrac><mrow><mi>c<\/mi><\/mrow><mrow><mi>v<\/mi><\/mrow><\/mfrac><\/math><br><span>Where <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>n<\/mi><\/math><span> is the refractive index, <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>c<\/mi><\/math><span> is the speed of light in a vacuum, and <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>v<\/mi><\/math><span> is the speed of light in the new medium.<\/span><br><span>We can see that <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>n<\/mi><\/math><span> and <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>v<\/mi><\/math><span> are inversely proportional, which means that the higher the <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>n<\/mi><\/math><span>, the lower the velocity. So, for example, if the light moved from the air <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mo>(<\/mo><mi>n<\/mi><mo>=<\/mo><mn>1<\/mn><mo>)<\/mo><\/math><span> to glass <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mo>(<\/mo><mi>n<\/mi><mo>=<\/mo><mn>1<\/mn><mo>.<\/mo><mn>5<\/mn><mo>)<\/mo><\/math><span>, the <\/span><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><mi>n<\/mi><\/math><span> increased, and thus the velocity must decrease because the speed of light in a vacuum is constant.<\/span><br><span>&nbsp;<\/span>","subject":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>As light travels from a rarer to a denser medium, it will have which of the following? - Infinity Learn by Sri Chaitanya<\/title>\n<meta name=\"description\" content=\"As light travels from a rarer to a denser medium, it will have which of the following?\" \/>\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\/question\/physics\/as-light-travels-from-a-rarer-to-a-denser-medium-it-will-ha\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"As light travels from a rarer to a denser medium, it will have which of the following? 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