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MHT CET Physics question

PhysicsWave OpticsMHT CET

In a bi-prism experiment, monochromatic light of wavelength () is used. The distance between two coherent sources is kept constant. If the distance between slit and eyepiece (D) is varied as , , and , the corresponding measured fringe widths are , , and then [MHT-CET 2022]

Answer: (D)

Solution

Fringe width with and constant, so and is

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Question ID VK-077476