A sound level of 80 dB has ___________ the amplitude of a 60 dB sound.
A)ten times
B)twenty times
C)one tenth
D)twice

Name: A sound level of 80 dB has ___________ the amplitude of a 60 dB sound. A)ten times B)twenty times C)one tenth D)twice
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Question

Quizplus · Accepted Answer

The difference of 20 dB between 80 dB and 60 dB corresponds to a tenfold increase in sound intensity. Since sound intensity is proportional to the square of the sound wave amplitude, the amplitude of an 80 dB sound is 10 times larger than that of a 60 dB sound.

A Sound Level of 80 DB Has ___________ the Amplitude