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Chapter 10: Q. 10.52 (page 1031)

What is the decibel level of heavy city traffic with intensity 10-3watts per square inch?

Short Answer

Expert verified

The decibel level of heavy city traffic is90db.

Step by step solution

01

Step 1. Given information.

The given intensity is 10-3watts per square inch.

ere the loudness level, D, measured in decibels, of a sound of intensity, I, measured in watts per square inch is

D=10logI10-12.

02

Step 2. Finding the decibel level.  

Here the intensity is 10-3watts per square inch then the decibel level is

D=10logI10-12=10log10-310-12=10log109=9脳10=90

Therefore, the decibel level of heavy city traffic is90db.

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