Assume that the opening of the ear canal has a diameter of
Chapter 15, Problem 72(choose chapter or problem)
Assume that the opening of the ear canal has a diameter of 7.0 mm. For this problem, you can ignore any focusing of energyinto the opening by the pinna, the external folds of the ear.a. How much sound power is "captured" by one ear al 0 dB, thethreshold of hearing?b. How much energy does one ear "capture" during I hour of listeningto a lecrure delivered at a conversational volume of 60 dB?
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