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Physics 7 Online
OpenStudy (anonymous):

Two sound waves of equal amplitude interfere so that the compression of one wave falls on the rarefaction of the other. Which one is true? A.No sound is heard..B.The loudness of the sound increases..C.There is no change in the sound..D. The pitch of the sound increases

OpenStudy (anonymous):

A. . ..|dw:1353091033770:dw|

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