Wave interference can be either constructive or destructive. Constructive interference occurs when both waves displace particles in the medium in the same direction. The displacement of particles is greater than the displacement of either wave acting alone.
When two waves in the same medium hit each other, the resulting displacement of the medium is
A. Either larger or smaller than the displacement of either wave acting alone, depending on the signs of the displacements of the two waves.
B. Always smaller than the displacement due to either wave acting alone.
C. Always larger than the displacement due to either wave acting alone.
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