Question

A ray of light passes through an equilateral glass prism, such that the angle of incidence is equal to the angle of emergance . If the angle of emergance is 3/4 times of the angle of prism. The refractive index of the glass prism is
A. 1.71
B. 1.61
C. 1.41
D. 1.21
​

Answer 1

Answer:

it is 1.41

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