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MHT CET Physics question

PhysicsWave OpticsMHT CET

In bi-prism experiment, fringes are obtained using monochromatic light. The distance between 5th bright band and 9th dark band on the same side of the central bright band, in terms of the fringe width 'X' is [MHT-CET 2023]

Answer: (B)

Solution

Fifth bright band is at and ninth dark band at , so the distance is

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Question ID VK-077429