Question

The sound level 22 m from a loudspeaker is 68 dB. What is the rate at...

The sound level 22 m from a loudspeaker is 68 dB. What is the rate at which sound energy is produced by the loudspeaker, assuming it to be an isotropic source?

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Answer #1

In the problem the rate at which sound energy produced means Power of loud speaker.This can be find using below formula.

.   

Power of Loud speaker, P=0.038 W

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