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Why does light bend towards normal when it travels from rarer medium to denser medium?

Why does light bend towards normal when it travels from rarer medium to denser medium?

Grade:12

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4407 Points
3 years ago
Refraction oflightwhen itgoesfrom ararer mediumto adenser medium: ... In this case, the angle of refraction (r)issmaller than the angle of incidence (i). Waterisalso an opticallydenser mediumthan air, so when a ray oflight goesfrom air into water, itbends towardsthenormal

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