A point source emits 869 w of sound isotropically a small
A point source emits 86.9 W of sound isotropically. A small microphone intercepts the sound in an area of 0.231 cm2, 270 m from the source. Calculate
(a) the sound intensity there and
(b) the power intercepted by the microphone.
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A point source emits 86.9 W of sound isotropically. A small microphone intercepts the sound in an area of 0.231 cm2, calculate the power intercepted by the microphone
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