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A ray of light is incident at small angl...

A ray of light is incident at small angle I on the surface of prism of small angle A and emerges normally from the oppsite surface. If the refractive index of the material of the prism is mu, the angle of incidence is nearly equal to

A

`A/mu`

B

`A/(2mu)`

C

`muA`

D

`(muA)/2`

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The correct Answer is:
C
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