What is interference?

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(N/A) Interference is a phenomenon in which two waves superpose to form a resultant wave of greater,lower,or the same amplitude.It occurs when two or

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(N/A) Interference is a phenomenon in which two waves superpose to form a resultant wave of greater,lower,or the same amplitude.
It occurs when two or more waves of the same frequency and constant phase difference meet at a point in space.
There are two types of interference:
$1$. Constructive Interference: Occurs when the crest of one wave meets the crest of another,resulting in a wave with increased amplitude.
$2$. Destructive Interference: Occurs when the crest of one wave meets the trough of another,resulting in a wave with decreased or zero amplitude.

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