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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli
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What are the lowest and highest frequencies that an ear

Chapter 13, Problem 22P

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QUESTION:

(I) What are the lowest and highest frequencies that an ear can detect when the sound level is \(30 \mathrm{~dB}\) ? (See Fig. 12-6.)

                                   

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QUESTION:

(I) What are the lowest and highest frequencies that an ear can detect when the sound level is \(30 \mathrm{~dB}\) ? (See Fig. 12-6.)

                                   

ANSWER:

Solution 22PIntroductionAt first, from the figure we have to find out what kind of process is this. Then using thecorresponding gas law we can calculate the initial and final temperature and final volume.Step 1(a) The PV diagram becomes hyperbola when the process is isothermal, that temperatureremains constant throughout the process. From the Boyle’s law we know that, for isothermicprocess, PV = constant, this is the equation of hyperbola. Hence the diagram represents theisothermal process.

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