A person wears a hearing aid that uniformly increases the


A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 33.5 dB. The hearing aid picks up sound having a frequency of 250 Hz at an intensity of 3.50 10-11 W/m2. What is the intensity delivered to the eardrum?

W/m2

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Physics: A person wears a hearing aid that uniformly increases the
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