The intensity at the threshold of hearing for the human
Chapter 12, Problem 95(choose chapter or problem)
The intensity at the threshold of hearing for the human ear at a frequency of about 1000 Hz is \(I_0 = 1.0 \times 10^{-12}\ W/m^2\), for which \(\beta\), the sound level, is 0 dB. The threshold of pain at the same frequency is about 120 dB, or \(I = 1.0\ W/m^2\), corresponding to an increase of intensity by a factor of \(10^{12}\). By what factor does the displacement amplitude, A, vary?
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