# The area of a typical eardrum is about 5.1 × 10?5 m2 a) Find the sound...

###### Question:

The area of a typical eardrum is about 5.1 × 10?5 m2

a) Find the sound power (the energy per second) incident on an eardrum at the threshold of hearing 1 × 10?12 W/m2 . Answer in units of W.

b) Find the sound power incident on an eardrum at the threshold of pain 1 W/m2 . Answer in units of

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