Is it possible for two waves traveling in the same direction to interfere and produce a wave with an amplitude larger than either of the two initial waves?
A.Yes. This is an example of destructive interference.
B.No. It is impossible for two waves heading in the same direction to interfere with each other.
C.No. Waves cannot combine and will bend to pass around each other if they meet at a point.
D. Yes. This is an example of constructive interference.
Option (D) is the correct answer.
Explanation -
In constructive interference, amplitude of the resulting wave is the sum of the amplitudes of the two intersecting waves at a given point. This occurs when crest of one wave is superimposed with the crest of another wave. In this way, the amplitude of the resulting wave is greater than the two waves that superimposed. Therefore, it is possible that when two waves traveling in the same direction to interfere, then the amplitude of the resulting wave will be greater than the two initial waves.
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