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The refractive index of a prism is sqrt(...

The refractive index of a prism is `sqrt(2)` and its refractive angle is `60^(@)` . If a ray emerge with the minimum angle of deviation then the angle of incidence will be

A

`45^(@)`

B

`60^(@)`

C

`90^(@)`

D

`150^(@)`

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The correct Answer is:
A
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