Question
The time of reverberation of a room A is one second. What will be the time (in seconds) of reverberation of a room, having all the dimensions double of those of room A?
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2
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4
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1
Solution
A.
2
Sabine's formula for reverberation time is
where V is volume of hall in m3. total absorption of the hall (room)
Here s1, s2, s3 ...... are the surface areas of the absorbers and a1, a2, a3.......are their respective absorption coefficients.