A) \[T\propto {{V}^{2}}\]
B) \[T\propto V\]
C) \[T\propto \frac{1}{V}\]
D) \[T\propto \frac{1}{{{V}^{2}}}\]
Correct Answer: B
Solution :
Reverberation time T is given by \[T=\frac{0.053\,V}{A}\] where, V = volume of the hall A = absorption area of sound in a hall Hence, \[T\propto V\]
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