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MHT CET 2022 Physics question

PhysicsWave OpticsMHT CET 2022

In a Fraunhofer diffraction at a single slit of width 'd' and incident light of wavelength , the first minimum is observed at an angle . The first secondary maxima is observed at an angle

Answer: (D)

Solution

First minimum: . The first secondary maximum lies roughly midway between the first and second minima: , so

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Question ID VK-096942