for the same angle of incidence in media A,B,C, the angle of refraction are 20 degree ,30 degree and 40 degree respectively . in th which medium will the velocity of light be maximum ? give reason in support of your answer
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From Snell’s law
n = sin i /sin r = c/v
Since c and sin i are constant therefore sin r is directly proportional to v
Therefore velocity of light is maximum in medium C.
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