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What happens if the reverberation time is too large?

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What happens if the reverberation time is too large?

(a) The sound becomes inaudible

(b) Echoes are produced

(c) Frequency becomes high

(d) The sound becomes infrasonic

I got this question in an interview for job.

My query is from Reverberation topic in chapter Waves of Engineering Physics I

1 Answer

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Right answer is (b) Echoes are produced

The explanation: Reverberation is the time taken for the sound to fall below the minimum audibility measured from the instant when the source stopped sounding. Therefore if the reverberation time becomes too large it produces echo.

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