A source of sound emits 200`piW` power which is uniformly distributed over a sphere of radius 10 m. What is the loudness of soun

A source of sound emits 200`piW` power which is uniformly distributed over a sphere of radius 10 m. What is the loudness of sound on the surface of the sphere?
A. `200 dB`
B. `200 pi dB`
C. `120 dB`
D. `120 pi dB`

A source of sound emits 200`piW` power which is uniformly distributed over a sphere of radius 10 m. What is the loudness of sound on the surface of th

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