A point source emits 30.0 W of sound isotropically. A small microphone intercepts the sound in an

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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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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: Jan 15, 2011 05:54 AM

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A point source emits 30.0 W of sound isotropically. A small microphone intercepts the sound in an

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

Fundamentals of Physics

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