In Fraunhofer diffraction, the incident wave front should be (A) Elliptical(B) Plane(C) Spherical(D) Cylindrical

In Fraunhofer diffraction, the incident wave front should be (A) Ell

1.	In Fraunhofer diffraction, the incident wave front should be (A) Elliptical(B) Plane(C) Spherical(D) Cylindrical
Answer» (C) SphericalIn OPTICS, the Fraunhofer DIFFRACTION EQUATION is used to model the diffraction of waves when the diffraction pattern is viewed at a long DISTANCE from the diffracting object, and also when it is viewed at the focal plane of an imaging LENS.

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In Fraunhofer diffraction, the incident wave front should be (A) Elliptical(B) Plane(C) Spherical(D) Cylindrical​

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In Fraunhofer diffraction, the incident wave front should be (A) Elliptical(B) Plane(C) Spherical(D) Cylindrical