Multiple Choice
A barking dog delivers about 1.0 mW of power,which is assumed to be uniformly distributed in all directions.What is the intensity level in decibels at a distance 5.00 m from the dog? The threshold of human hearing is 1.0 × 10-12 W/m2.
A) 61 dB
B) 63 dB
C) 65 dB
D) 68 dB
Correct Answer:
Verified
Correct Answer:
Verified
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