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13. Sound
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Q2 of 54 Page 389

What is reverberation?

The repeated reflection of sound that causes its persistence until it is reduced to an inaudible value is called reverberation.


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1

What is an echo?

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What is SONAR?

4

Sound is produced by a vibrating source. Why then a vibrating pendulum does not produce any sound?

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What is the audible range for a normal human being?

Questions · 54
13. Sound
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