Physics > 2007 > 7
JAMB UTME
In a large telecommunications auditorium, perforated absorbent materials are used to line the ceiling so as to
A.
reduce the reverberation of sound in the hall.
B.
reduce the height of the ceiling from the floor.
C.
increase the reverberation of sound in the hall.
D.
increase the amount of echo in the hall.
Answer: A
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