A Sound Source Radiates Sound Uniformly in All Directions

question 80

Multiple Choice

A sound source radiates sound uniformly in all directions. The intensity of the sound at a distance of 100 m is 1.00 × 10⁻⁴ W/m². The power output of the sound source is

• A) 12.6 W.
• B) 16.2 W.
• C) 20.4 W.
• D) 24.5 W.
• E) 30.6 W.

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