Difference between interference and diffraction
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Hey !!
INTERFERENCE
It is due to the superposition of two waves coming from two coherent sources.
The width of the interference bands is equal.
The intensity of all maxima ( fringes ) is same.
DIFFRACTION
It is due to the superposition of secondary wavelets originating from different parts of the same wavefront.
The width of the diffraction bands is not the same.
The intensity of central maximum is minimum and goes on decreasing rapidly with increase in order of maxima.
Good luck !!
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