A sound level of b 120 db is at the threshold of pain.
Chapter 5, Problem 48(choose chapter or problem)
A sound level of b 120 db is at the threshold of pain. (Some loud rock concerts reach this level.) The sound inbtensity that corresponds to b 120 db is 1 W/m2. Use thisinformation and the equation b 10 log10(I/I0) to determineI0, the intensity of a barely audible sound at the thresholdof hearing. What is the decibel level, b, of a barely audiblesound?
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