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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

The refractive index of diamond, glass and water w.r.t. air are 2.42, 1.5 and 1.33 respectively. Let , and are velocities of light in diamond, glass and water respectively. Then which one of the following relations in correct? [MHT-CET 2021]

Answer: (C)

Solution

, so the speed decreases as the refractive index increases: ; (a) is

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Question ID VK-069485