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What Is the Intensity of a 70-DB Sound? the Threshold

Question 119

Multiple Choice

What is the intensity of a 70-dB sound? The threshold of human hearing is 1.0 × 10-12 W/m2.


A) 10-4 W/m2
B) 10-5 W/m2
C) 10-6 W/m2
D) 10-7 W/m2

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