Multiple Choice
A sound wave radiates from a source in all directions.If the power of the sound source is 200 watts,then the intensity level of the sound wave 100 m from the source is (in dB)
A) 98.5.
B) 92.0.
C) 91.5.
D) 89.6.
E) 88.3.
Correct Answer:
Verified
Correct Answer:
Verified
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