There are various phenomenon of reflection of sound. The reverberation is one of them. In case of reverberation the sound is not distinct and cannot be understood properly. This is the reason while constructing the auditorium, the reflection time is taken care off. What is the reflection time in case of reverberation?
(A) Less than 0.1 sec
(B) 0.1 sec
(C) More than 0.1 sec
(D) 0.5 sec