MHT CET Physics question

PhysicsWave OpticsMHT CET

In a diffraction pattern, light of wavelength 580 nm is incident normally on a slit of width 'a'. The distance between slit and screen is 2.5 m and the distance of the second fringe width is 14.5 mm, find 'a'. [MHT-CET 2020]

Answer: (B)

Solution

Taking the second secondary maximum at with : \frac${5λ

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Question ID VK-077562