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MHT CET Physics question

PhysicsWave OpticsMHT CET

A glass slab of thickness 4 cm contains the same number of wave as 5 cm of water. When both are traversed by the same monochromatic light. If the refractive index of water is 4/3 then the refractive index of glass is

Answer: (C)

Solution

4μ_g = 5 × 4/3 gives μ_g = 5/3; the other values do not satisfy the equality of optical paths. Hence the correct option is (c).

Question ID VK-077002