Multiple Choice
The intensity at a distance of 6.0 m from a source that is radiating equally in all directions is 6.0 × 10-10 W/m2.What is the intensity level in dB? The threshold of human hearing is 1.0 × 10-12 W/m2.
A) 18 dB
B) 23 dB
C) 28 dB
D) 32 dB
Correct Answer:

Verified
Correct Answer:
Verified
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