A point source emits 27 w of sound a small microphone
A point source emits 27 W of sound. A small microphone intercepts the sound in an area of 0.63 cm2, 289 m from the source. Calculate the power intercepted by the microphone in Watts.
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a point source emits 27 w of sound a small microphone intercepts the sound in an area of 063 cm2 289 m from the source
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