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प्रश्न
Where and why are sound-absorbing materials used?
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उत्तर
- 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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संबंधित प्रश्न
What is reverberation?
What name is given to the repetition of sound caused by the reflection of sound waves ?
What name is given to the persistence of sound in a big hall or auditorium ?
Name the device used by doctors to listen to our heartbeats.
What is reverberation ? What will happen if the reverberation time in a big hall is too long ?
How can reverberations in a big hall or auditorium be reduced ?
Explain by giving a scientific reason.
The roof of a movie theatre and a conference hall is curved.
Explain by giving a scientific reason.
The intensity of reverberation is higher in a closed and empty house.
The repeated reflection that results in persistence of sound is called ______.
Why do we hear the sound produced by the humming bees while the sound of vibrations of the pendulum is not heard?
The distance of underwater objects can be deduced by the formula ______.
What is Reverberation?
