Multiple Choice
The intensity of a spherical wave 2.5 m from the source is 120 W/m2. What is the intensity at a point 9.0 m away from the source?
A) 9.3 W/m2
B) 24 W/m2
C) 53 W/m2
D) 80 W/m2
E) 270 W/m2
Correct Answer:
Verified
Correct Answer:
Verified
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