Difference Between Diffraction and Interference

 7 Differences Between Diffraction and Interference

S.NO.	Diffraction	Interference
1.	Diffraction is the bending of waves around obstacles or through openings.	Interference is the superposition of two or more waves.
2.	Diffraction occurs when waves encounter an obstacle or pass through an opening that is smaller than the wavelength of the wave.	Interference occurs when two or more waves overlap in the same region of space.
3.	Diffraction is a phenomenon that is observed with all types of waves, including sound waves, light waves, and water waves.	Interference is a phenomenon that is observed with waves that have a fixed phase relationship, such as light waves or sound waves.
4.	Diffraction results in the spreading out of waves.	Interference can result in either constructive or destructive effects, depending on the phase relationship between the waves.
5.	Diffraction can be observed when waves pass through a small opening or around an obstacle.	Interference can be observed when waves overlap in the same region of space.
6.	Diffraction results in a reduction in the intensity of waves.	Interference can result in either an increase or decrease in the intensity of the waves.
7.	The angle of diffraction is determined by the size and shape of the obstacle or opening.	The intensity of interference is determined by the phase difference between the waves.

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