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प्रश्न
How can reverberations in a big hall or auditorium be reduced ?
उत्तर
Reverberations in a big hall or auditorium can be reduced by the following ways:
(i) Panels made of sound-absorbing materials should be placed on the walls and ceilings of hall and auditorium.
(ii) Carpets should be placed on the floor to absorb sound and reduce reverberations.
(iii) Heavy curtains should be used to close the doors and windows to absorb sound and reduce reverberations.
(iv) The seats in the hall should be made from materials having sound-absorbing properties.
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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 ?
Explain by giving a scientific reason.
The roof of a movie theatre and a conference hall is curved.
Where and why are sound-absorbing materials used?
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 ______.
