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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

A glass slab has refractive index '' with respect to air and the critical angle for a ray of light in going from glass to air is ''. If a ray of light is incident from air on the glass with angle of incidence '', then the corresponding angle of refraction is [MHT-CET 2020]

Answer: (C)

Solution

; for incidence from air, , so and the angle of

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Question ID VK-069514