Intensity of Sound: At a distance of 15.0 m from a sound source, the intensity level is 60.0 dB. What is the intensity level (in decibels) at a point 2.00 m from the source if the source radiates equally in all directions?
A. 55.7 dB
B. 57.5 dB
C. 75.5 dB
D. 77.5 dB
Answer: D
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