Show that the difference in decibel levels β1 and β2 of a sound source is related to the ratio of its distances r1 and r2 from the receivers by the formula β2 - β1 = 20 log(r1/r2)

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter13: Mechanical Waves
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Show that the difference in decibel levels β1 and β2 of a sound source is related to the ratio of its distances r1 and r2 from the receivers by the formula β2 - β1 = 20 log(r1/r2)

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