Waves - Result Question 9
9. The time of reverberation of a room
(a) 4
(b)
(c) 1
(d) 2
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Answer:
Correct Answer: 9. (d)
Solution:
- (d) The time gap between the initial direct note and the reflected note upto the minimum andibility level is called reverberation time.
Sabine has shown that standard reverberation time for an auditorium is given by the formula
Where,
(Assuming auditorium to be cubic in shape)
So,
If dimension is doubled, reverberation time
