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12 December, 21:26

The spreading of sound waves around openings in barriers is called?

A. refraction

B. an echo

C. diffraction

D. reverberation

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Answers (1)
  1. 12 December, 23:56
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    The spreading of sound waves around openings in barriers is called a diffraction. A diffraction is the bending of waves around openings and also obstacles. The correct answer is C.
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