where I0 is the threshold intensity of hearing.
I0 = 1 × 10-12 W/m2
Ultrasound waves at intensities above 104 W/m2 can do serious damage to living tissues. If 104 W/m2 corresponds to 160 dB, what is the sound intensity level, in decibels, of ultrasound with intensity 105 W/m2, used to pulverize tissue during surgery?
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