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The refracting angle of a prism is A, an...

The refracting angle of a prism is A, and refractive index of the material of the prism is cot `(A//2).` the angle of minimum deviation is

A

`180^(@)+2A`

B

`180^(@)-3A`

C

`180^(@)-2A`

D

`90^(@)-A`

Text Solution

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The correct Answer is:
C
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