A prism of apex angle has refractive index

PHYSICS · Single correct · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments

Problem

A prism of apex angle A=60∘A=60^\circ has refractive index μ=2\mu=\sqrt2. The angle of incidence for minimum deviation is (1) 30∘30^\circ (2) 45∘45^\circ (3) 60∘60^\circ (4) None of these

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