The low-frequency speaker of a stereo set has a surface area of 0.05 m 2 and produces
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The low-frequency speaker of a stereo set has a surface area of 0.05 m2 and produces 1W of acoustical power. What is the intensity at the speaker? If the speaker projects sound uniformly in all directions, at what distance from the speaker is the intensity 0.1 W/m2?
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Intensity is power per unit area so the intensity at the speaker is 1W 005 m2 20 Wm2 The intens...View the full answer
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