MHT CET Physics question

Physics Wave Optics MHT CET

A diffraction pattern is obtained by making blue light incidence on a narrow slit. If blue light is replaced by red light them [MHT-CET 2020]

(A)There is no change in diffraction pattern
(B)Diffraction bands become narrower
(C)Diffraction bands disappear
(D)Diffraction bands become broaderCorrect

Answer: (D)

Solution

Band width and , so the bands become broader; the pattern

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Question ID VK-077548