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What would be the sound level (in dB) of a sound wave in

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 20P Chapter 12

Physics: Principles with Applications | 6th Edition

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

Physics: Principles with Applications | 6th Edition

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Problem 20P

Problem 20P

What would be the sound level (in dB) of a sound wave in air that corresponds to a displacement amplitude of vibrating air molecules of 0.13 mm at 300 Hz?

Step-by-Step Solution:

Solution 20PIntroductionThe process is isothermal, that is in this process the temperature remains constant. So we willuse the Boyle’s law of gas to calculate the final pressure of the gas. Now, since, the initialpressure is not given, first we will calculate the initial pressure using ideal gas equation.Solution:Step 1The ideal gas equation isWe know:n=0.10 molR=8.31 J/mol/KT=20°C=293 KV=50 cm =50 × 10 6 m3So the pressure is

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Chapter 12, Problem 20P is Solved
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Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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What would be the sound level (in dB) of a sound wave in