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Refractive index of a prism is sqrt(7//3...

Refractive index of a prism is `sqrt(7//3)` and the angle of prism is `60^(@)`. The minimum angle of incidence of a ray that will be tramitted through the prixm is

A

`30^(@)`

B

`45^(@)`

C

`15^(@)`

D

`50^(@)`

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The correct Answer is:
A
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