how super position principle is important in interference
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Interference takes place when two waves interact with each other. The interaction between two waves can be explained using superposition principle.
Explanation:
According to the superposition principle, if two waves interact with each other, the resultant wave will be sum of these two waves. Consider an example of tub of water. Water drop is dripped at two different points in the tub. Both drops will produce circular waves. These waves will interact each other in the tub and the resultant will be the sum of both waves. Hence, superposition principle is used to explain interference phenomenon.
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