Question

A ray of light incident ray on the surface of a medium at an angle 45° and is refracted in the medium at an angle 30° . what is the velocity of light in the medium?​

Answer 1

Answer:

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Explanation:

Refractive index, n=sinrsini=vc

Hence, speed of sound in the medium  v=sinicsinr=sin45∘3×108×sin30∘

v=23×108m/s

v=2.12×108m/s

Answer 2

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