Wednesday, June 19, 2019

optics - Difference Between Fraunhofer and Fresnel Diffraction


What is the difference between Fraunhofer diffraction and Fresnel diffraction? I mean diffraction is just bending of light waves or waves in general around a point. So how can there be two types of diffractions?


If Diffraction means something else in this context, then please explain the difference between these two types of diffraction.




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

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