Write two differences between interfaces and diffraction
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Difference Between Diffraction and Interference
The crucial difference between diffraction and interference is that diffraction of light occurs due to the superposition of secondary wavelets that generates from various parts of a wavefront (simply put spreading of light when the beam passes through the slit). As against interference is the result of the superposition of light waves from 2 coherent sources.
Another important difference between the two is that the intensity of all the bright fringes is not the same in the case of diffraction however it is same in case of interference. In this session, we will discuss some other parameters that distinguish the two.
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