In a large telecommunications auditorium perfor... - JAMB Physics 2007 Question
In a large telecommunications auditorium, perforated absorbent materials are used to line the ceiling so as to
A
Increase the reverberation of sound in the hall
B
increase the amount of echo in the hall
C
reduce the hight of the ceiling from the floor
D
reduce the reverberation of sound in the hall
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Correct Option: D
In a large auditorium perforated, absorbent materials are used to line the ceiling so as to reduce the effect of multiple reflection of echo called reverberation
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