MHT CET 2024 Physics question
In a biprism experiment, monochromatic light of wavelength '' is used. The distance between the two coherent sources 'd' is known constant. If the distance between slit and eyepiece 'D' is varied and corresponding measured fringe widths as then
Answer: (B)
Solution
The fringe width in a biprism (double-source) experiment is . Since and are constant, , i.e. constant. Therefore $ =
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