A person has severe hearing loss that reduces the intensity in his inner ear by 40 dB.
Question:
A person has severe hearing loss that reduces the intensity in his inner ear by 40 dB. To compensate, a hearing aid can amplify the sound pressure amplitude by a certain factor to bring the intensity level back to the value for a healthy ear. What amplification factor is needed for this person?
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A reduction in intensity level can be translated to a reduction in intensity Since intensity is prop...View the full answer
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Related Book For 
College Physics Reasoning and Relationships
ISBN: 978-0840058195
2nd edition
Authors: Nicholas Giordano
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