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Understanding the human ear

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The radius of a typical human eardrum is about 4.0 mm. Find the energy per second received by an eardrum when it listens to sound that is (a) at the threshold of hearing and (b) at the threshold of pain.

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Solution Summary

The physics and equations applied to our hearing system.

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a) The threshold of hearing, I=1 x 10^-12 W/m^2

Radius of the ear drum = 4mm = 4 x 10^-3 meter

==> Area of the ear ...

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