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MHT CET Physics question

PhysicsWave OpticsMHT CET

In Young's double slit experiment, we get 15 fringes per cm on the screen using light of wavelength 5600Å. For the same setting how many fringes per cm will be obtained with the light of wavelength 7000Å? [MHT-CET 2020]

Answer: (B)

Solution

Fringes per cm , so ; 18 and 15

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Question ID VK-077561