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Chapter 10: Q. 10.51 (page 1031)

What is the decibel level of one of the new quiet dishwashers with intensity 10-7watts per square inch?

Short Answer

Expert verified

The decibel level of one of the new quiet dishwashers is50db.

Step by step solution

01

Step 1. Given information.

The given intensity is 10-7watts per square inch.

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

localid="1645007369593" D=10logI10-12.

02

Step 2. Finding the decibel level.

Here the intensity is 10-7watts per square inch then the decibel level is

D=10log10-710-12=10log105=5脳10=50

Therefore, the decibel level of one of the new quiet dishwashers is50db.

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