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Physics / Physics: Principles with Applications 6 / Chapter 12 / Problem 91GP

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

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Chapter 13, Problem 91GP

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QUESTION: Problem 91GP

The intensity at the threshold of hearing for the human ear at a frequency of about 1000 Hz is /0 = 1.0 x 10 12 W/m2, for which /3. the sound level, is 0 dB. The threshold of pain at the same frequency is about 120 dB, or / = 1.0 W/m2, corresponding to an increase of intensity by a factor of 1012. By what factor does the displacement amplitude. A. vary?

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QUESTION: Problem 91GP

The intensity at the threshold of hearing for the human ear at a frequency of about 1000 Hz is /0 = 1.0 x 10 12 W/m2, for which /3. the sound level, is 0 dB. The threshold of pain at the same frequency is about 120 dB, or / = 1.0 W/m2, corresponding to an increase of intensity by a factor of 1012. By what factor does the displacement amplitude. A. vary?

ANSWER:

Step-by-step solution

Step 1 of 4

The intensity of 0dB sound level is 1x10-12w/m2

Faintest audible sound (threshold of hearing)

The intensity of 120dB sound level is 1W/m2

The threshold of pain

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