A prism of refractive index \( \mu \) and angle \( A \) is placed in the minimum deviation posit...
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1A prism of refractive index \( \mu \) 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 \( \mu \) is
(A) \( \sin ^{-1}\left(\frac{\mu}{2}\right) \)
(B) \( 2 \cos ^{-1}\left(\frac{\mu}{2}\right) \)
(C) \( \sin ^{-1} \sqrt{\frac{\mu-1}{2}} \)
(D) \( \cos ^{-1}\left(\frac{\mu}{2}\right) \)
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