MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

The refractive angle of a glass prism is . A ray is incident on one of the faces perpendicular to it. The angle of deviation between the incident ray and that leaves the prism is (Refractive index of glass = 1.5)(, ) [MHT-CET 2019]

Answer: (B)

Solution

Normal incidence gives , ; so

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Question ID VK-069521