In a large telecommunications auditorium, perforated absorbent materials are used to line the ceiling so...
PHYSICS
JAMB 2007
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
Correct Answer: D) reduce the reverberation of sound in the hall
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