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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A ray of light travels from a denser medium to a rarer medium. The reflected and the refracted rays are perpendicular to each other. If 'r' and 'r' are the angle of reflection and refraction respectively and 'C' is the critical angle, then the angle of incidence is [MHT-CET 2021]

Answer: (B)

Solution

With and , Snell's law gives $ i/ = i/ i=

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Question ID VK-069492