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MHT CET Physics question

PhysicsWave OpticsMHT CET

In a Fraunhofer diffraction at a single slit of width 'd' and incident light of wavelength 5500Å the first minimum is observed at an angle . The first secondary maxima is observed at an angle [MHT-CET 2020]

Answer: (A)

Solution

First minimum: so ; first secondary maximum:

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Question ID VK-077574