Question: A point source emits 30.0 W of sound isotropically. A small microphone intercepts the sound in an area of 0.750 cm2, 200 m from the

A point source emits 30.0 W of sound isotropically. A small microphone intercepts the sound in an area of 0.750 cm2, 200 m from the source. Calculate
(a) The sound intensity there and
(b) The power intercepted by the microphone.

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a The intensity is P 300W 4 4 200m 597x1... View full answer

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