Question

what are the type of diffraction
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Answer 1

Explanation:

The two types of diffraction are Fresnel diffraction and Fraunhofer diffraction

Answer 2

Answer:

The two types of diffraction are Fresnel diffraction and Fraunhofer diffraction. Fresnel diffraction: When the light from the point source reaches the obstacle, the waves produced are spherical and the pattern of the image of the object is a fringed image.