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MHT CET Physics question

PhysicsWave OpticsMHT CET

A beam of light of wavelength 500 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is

Answer: (D)

Solution

First minima are at mm, so the separation is $2λ

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Question ID VK-077342