The sound level in decibels is typically expressed asβ= 101og(I/I0), but since sound is a pressure wave, the sound level can be expressed in terms'of a-pressure difference. Intensity depends on the amplitude squared, so the expression is β = 20 log(P/P0), where P0 is the smallest pressure difference noticeable by the ear:P0 = 2.0•10-5 Pa. A loud rock concert has a sound level of 110. dB, find the amplitude of the pressure wave generated by this concert.
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