By how many decibels does the intensity level of a sound decrease when you triple your distance from a source of sound?
A)9.5 dB
B)4.8 dB
C)6.0 dB
D)12 dB
E)3.0 dB

Question

Quizplus · Accepted Answer

The intensity level of sound decreases by 9.5 dB when you triple your distance from a source of sound, according to the inverse square law and the logarithmic nature of the decibel scale.

By How Many Decibels Does the Intensity Level of a Sound