Vanessa G.

asked • 03/11/14

TEST TOMORROW ! i just need a little help with this because...i was gone the day we learned this ...thanks :)

Sound in decibels is measured by comparing the sound intensity, I, to a benchmark sound Io with intensity 10-16 watts/cm2, then noise level in decibels = 10log(I/Io)
1) the noise level of a whisper is 30dB. Compute the sound intensity of a whisper.
2) Death of hearing tissue begins to occur at a noise level of 180 dB. Compute the sounds intensity at this noise level.
THANKS !!!! :)

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