By what amount does the sound intensity decrease when the distance to the source doubles?
A)1.4 dB
B)2.0 dB
C)4.0 dB
D)6.0 dB

Question

Quizplus · Accepted Answer

According to the inverse square law of sound propagation, the sound intensity decreases by 6 decibels (dB) when the distance to the source doubles. This means that the sound power is spread out over four times the area, resulting in a quarter of the sound energy per unit area. Therefore, the correct option is D, which indicates a decrease of 6.0 dB.

By What Amount Does the Sound Intensity Decrease When the Distance