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CBSE Class 9 Answered

why are halls provided with small holes on the walls, and seats made of coir
Asked by | 23 Feb, 2013, 08:33: PM
answered-by-expert Expert Answer
Not all halls are made this way, only accuostic halls are made this way so that the sound which is incident on walls and chairs are absorbed and does not echo giving any distortions.
Answered by | 26 Feb, 2013, 10:28: AM
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