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MHT CET Physics question

PhysicsWave OpticsMHT CET

In Young's double slit experiment the intensity at a point on the screen is 'K' where path difference is 'λ'. What will be the intensity at the point where path difference is λ/4? [MHT-CET 2020]

Answer: (D)

Solution

A path difference of gives a maximum, so ; at the phase difference is and

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Question ID VK-077566