Question

3. The volume of the room is 1200 m². The wall area is 220 m2, the floor area is 120 m², ceiling area 120 m². The average sound absorption coefficient – (i) for wall is 0.03, (ii) for ceiling 0.8 and (iii) for floor is 0.06. Calculate the average sound absorption coefficient and reverberation time. (Ans.: 0.24 and T = 1.76 s)
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Answer 1

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Explanation:

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