MHT CET Physics question

Physics Wave Optics MHT CET

The condition for observing Fraunhofer diffraction pattern from an obstacle is that the light wavefront incident on it must be [MHT-CET 2022]

(A)Spherical
(B)Cylindrical
(C)PlaneCorrect
(D)Either cylindrical or spherical

Answer: (C)

Solution

Fraunhofer diffraction requires the source and screen at effectively infinite distance, i.e. plane wavefronts incident

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Question ID VK-077462