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प्रश्न
What name is given to the repetition of sound caused by the reflection of sound waves ?
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उत्तर
Echo is the repetition of sound caused by the reflection of sound.
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संबंधित प्रश्न
What is reverberation?
What name is given to the persistence of sound in a big hall or auditorium ?
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Explain by giving a scientific reason.
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Where and why are sound-absorbing materials used?
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