Question

for the same angle of incidence in media A,BandCthe angle of refraction 20° 30° and 40° respectively in which medium will the velocity of light be maximum give reason for the answee​

Answer 1

As sini/sinr = u

More the r more the sinr therefore lesser will be refractive index

As refractive index is inversely proportional to speed in medium

therefore lesser the refractive index more thr speed

Therefore 40 degree will have maximum speed

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