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MHT CET Physics question

PhysicsWave OpticsMHT CET

The optical path of a monochromatic light is same whether, if it goes through 4.0 cm of glass or 4.5 cm of water. If the refractive index of glass is 1.53, then the refractive index of the water is

Answer: (B)

Solution

Equal optical paths give , so $μ_w = 1.53× 4.0/4.5 =

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Question ID VK-069318