18. Waves & Sound
Sound Intensity
4:52 minutes
Problem 16h
Textbook Question
Textbook QuestionSound is detected when a sound wave causes the tympanic membrane (the eardrum) to vibrate. Typically, the diameter of this membrane is about 8.4 mm in humans. (a) How much energy is delivered to the eardrum each second when someone whispers (20 dB) a secret in your ear?
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