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Which of the following reasons explains why the walls and...

Which of the following reasons explains why the walls and ceilings of a standard concert hall are usually covered with perforated pads? To

A.

increase the intensity of sound waves

B.

increases the loudness of the sound waves

C.

reduce the effect of revibration of sound waves

D.

decreases thr frequency of sound waves

Correct answer is C

No explanation has been provided for this answer.