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# (a) What is the decibel level of a sound that is twice as

## Problem 18PE Chapter 17

College Physics by Urone | 1st Edition

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Problem 18PE

(a) What is the decibel level of a sound that is twice as intense as a 90.0-dB sound? (b) What is the decibel level of a sound that is one-fifth as intense as a 90.0-dB sound?

Step-by-Step Solution:
Step 1 of 3

Solution 18PE

Sound intensity level = 90 d

We know that sound intensity level

(d) =  ()

9 = ()         [ audible sound ]

Now I ‘= 2I = 2 x  w/

Than (d)...

Step 2 of 3

Step 3 of 3

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