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Q. Consider the following statements A and B given below and identify the correct answers:

EAMCETEAMCET 2004

Solution:

The phenomenon of persistance or prolongation of sound in the auditorium is called reverberation Sabines reverberation formula for time is $ T=\frac{CV}{AS} $ where, V is the volume of auditorium, A = absorption constant, S in the total surface area of enclosed surface and C is constant. Therefore, from the formula for reverberation time. If depends upon volume, surface area and average absorption coefficient. So, statement A is wrong and unit of absorption coefficient an MKS is Sabine Hence, statement B is true.