for the same angle of incidence in media a ,b and c, the angles of refraction are 20 degree, 30 degrees , 40 degrees respectively in which medium will the velocity of light be maximum? Give reason in support of your answer

for the same angle of incidence in media a ,b and c, the angles of ref

1.	for the same angle of incidence in media a ,b and c, the angles of refraction are 20 degree, 30 degrees , 40 degrees respectively in which medium will the velocity of light be maximum? Give reason in support of your answer
Answer» We know, RATIO of sine of incidence to sine of refraction gives refractive index. Increase in refractive index will increase the range of BENDING. In this case, ANGLE of incidence is same in all cases, therefore angle of refraction will maximum in 'c'. So, it has less refractive index and hence light suffers less bending, which increases its SPEED.

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for the same angle of incidence in media a ,b and c, the angles of refraction are 20 degree, 30 degrees , 40 degrees respectively in which medium will the velocity of light be maximum? Give reason in support of your answer

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