A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound?

January 26th, 2012 | by admin |
asked:


A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 24.9 dB. The hearing aid picks up sound having a frequency of 250 Hz at an intensity of 2.70 10-11 W/m2. What is the intensity delivered to the eardrum?

Kathryn
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    1. No Responses to “A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound?”

    2. By billrussell42 on Jan 27, 2012 | Reply

      The intensity by that factor.

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