When two waves' maxima are 180 degrees out of phase, destructive interference happens: a positive displacement of one wave is precisely cancelled by a negative displacement of the other wave.
The resulting wave has zero amplitude. Waves from two independent sources that produce different wavefronts are said to be causing interference. On the other hand, diffraction is referred to as secondary waves that split off from the original wave. Interference is the superposition of two waves to create an amplitude-varying wave. A consequent wave with a different velocity is created by superimposing two waves, which is known as interference. The process of interference involves superimposing two waves to create a new wave with a different wavelength.
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