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CBSE-IX-Science

10: 2-Sound

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  • #15
    What is reverberation? How can it be reduced?
    Ans : The repeated reflection of sound due to which sound persists for a long time is called reverberation.

    To reduce reverberation, the roof and walls of the auditorium are generally covered with sound-absorbent materials like compressed fibreboard, rough plaster or draperies. The seat materials are also selected on the basis of their sound absorbing properties.