A point source emits 30.0 W of sound isotropically. A small microphone intercepts the
Chapter 17, Problem 35(choose chapter or problem)
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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