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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A ray of light is incident at an angle on one face of prism of small angle and emerges normally from the other surface. If is the refractive index of the material of the prism, the angle of incidence is [MHTCET 2018]

Answer: (B)

Solution

With normal emergence and for small angles ; the other

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Question ID VK-069405