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Where and why are sound-absorbing materials used? - Science and Technology

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Question

Where and why are sound-absorbing materials used? 

Short Note

Solution

  • Sound absorbing materials are used in concert halls or auditoriums to reduce high-intensity reverberation.
  • The ceiling or walls of the auditorium are covered with sound absorbing materials like thermocol, fiber board, rough plaster.
  • The seats are also made of sound-absorbing material, which reduces additional reverberation.
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Chapter 12: Study of Sound - Exercise [Page 137]

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