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What happens when two waves interfere?

Interference is the process of superposition of two waves having the same wavelength, amplitude, and frequency. When the waves interfere, there is no loss of energy. During constructive interference, the two waves are added up to give a resultant wave of large amplitude. During destructive interference, the two waves having the same wavelength and amplitude arrive out of phase and cancel each other’s effect. At the point of destructive interference, the energy of the waves is stored as the K.E of the medium which is changing shape. The total energy remains conserved.

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