Question

Why are good auditoriums provided with curtains,carpets etc

Answer 1

The stage of an auditorium has curved background so that the sound get reflected from the curved background and reaches to the every part of the auditorium.

There is a term called reverberation it is phenomenon of  persistence of audible sound after the source has stopped emitting sound . Since reverberation is due to repeated reflected sound from ceiling floors , wall so to reduce reverberation we should use absorbing material like curtain floor should be carpeted asbestos sheet should be use etc
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Answer 2

Answer:

Explanation:

Echo