What is the intensity of a sound with a measured intensity level of 84 dB? (I0 = 10-12 W/m2)
A) 8.4 *10-3 W/m2
B) 2.5 *10-4 W/m2
C) 2.5 *10--5 W/m2
D) 7.4 *10---4 W/m2
Correct Answer:
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