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MHT CET Physics question

PhysicsWave OpticsMHT CET

In Young's double slit experiment, for wavelength the bright fringe is obtained at a point P on the screen. Keeping the same setting, source of light is replaced by wavelength and now bright fringe is obtained at the same point P on the screen. The value of n is [MHT-CET 2023]

Answer: (B)

Solution

gives , so

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Question ID VK-077428