Question

for the same angle of incidence in media L,M and N, the angles of refraction are 45°.35° and 15° respectively. in which media will the velocity of light be minimum? Give reason for answer

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Answer 1

Answer:

We know that n = sin i/sin r

For the same angle of incidence i, the refractive index will be maximum for the medium for which 'r ’ is minimum i.e., for the medium R.

Further, we know that n = c/v

Thus, velocity of light is maximum in a medium for which n is minimum i.e., for the medium R. Velocity of light is minimum in the medium R.

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Explanation: