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Does the sound intensity level obey the inverse-square law

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 11DQ Chapter 16

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 11DQ

Does the sound intensity level ? obey the inverse-square law? Why?

Step-by-Step Solution:

Solution 11DQ Step 1 The sound intensity level is given by I = log( )I 0 Where I is0the reference intensity. Now let us consider a sound source releasing sound at an power P , hence the intensity of the sound at a distance r is I = r2 Now putting this value on the equation of intensity level we have 2 = log( P/r ) = 2log( P ) I0 I0r So we can see that the intensity level of sound decreases as log( ). 1 r So sound intensity level does not obey the inverse square law.

Step 2 of 1

Chapter 16, Problem 11DQ is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The answer to “Does the sound intensity level ? obey the inverse-square law? Why?” is broken down into a number of easy to follow steps, and 11 words. University Physics was written by and is associated to the ISBN: 9780321675460. Since the solution to 11DQ from 16 chapter was answered, more than 282 students have viewed the full step-by-step answer. This full solution covers the following key subjects: Intensity, Inverse, Law, level, obey. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The full step-by-step solution to problem: 11DQ from chapter: 16 was answered by , our top Physics solution expert on 05/06/17, 06:07PM.

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Does the sound intensity level obey the inverse-square law