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A prism of refractive index n and angle ...

A prism of refractive index n and angle A is placed in the minimum deviation position. If the angle of minimum deviation is A, then the value of A in terms of n is ….

A

`sin^-1(n/2)`

B

`sin^-1sqrt((n-1)/2)`

C

`2cos^-1(n/2)`

D

`cos^-1(n/2)`

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