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The time of reverberation of a room A is...

The time of reverberation of a room A is one second. What will be the time (in seconds) of reverberation of room, having all the dimensions double of those of room A?

A

`(1)/(2)`

B

1

C

2

D

4

Text Solution

Verified by Experts

The correct Answer is:
C
`T=(0.61V)/(alphaS)`
`implies (T_(1))/(T_(2))=((V_(1))/(V_(2)))((S_(2))/(S_(1)))=((V)/(8V))((4S)/(S))=(1)/(2)`
`implies T_(2)=2T_(1)=2sec`.
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