Question

Describe the properties of Fraunhofer diffraction.

Answer 1

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Answer 2

Fraunhoffer diffraction occurs when waves pass through a slit or an aperture.

Properties of Fraunhoffer diffraction are:

1) It occurs on flat surface.

2) Shape and intensity of diffraction pattern remain constant as waves propagate from the scattering source.

3) The diffraction pattern remains in a fixed position.

4) The screen is placed at infinite distance from the object.

5) The wave front is a planar wave front.