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MHT CET Physics question

PhysicsWave OpticsMHT CET

In Young's double slit experiment, 30 fringes are obtained in the field of view when wavelength of light 4000Å is used. If we use monochromatic light of wavelength 6000Å, the number of fringes obtained in the field of view is 'x'. The difference in the number of fringes is [MHT-CET 2012]

Answer: (B)

Solution

Number of fringes in a fixed field , so and the

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Question ID VK-077602