Tripling the distance between sound source and a listener will change the intensity,as detected by the listener,by what factor?
A)1/9
B)1/3
C)3

Question

Tripling the distance between sound source and a listener will change the intensity,as detected by the listener,by what factor?
A)1/9 
B)1/3 
C)3

Quizplus · Accepted Answer

According to the inverse square law, the intensity of sound decreases with the square of the distance. Tripling the distance would result in nine times the original distance, so the intensity would decrease by a factor of 9. Therefore, the answer is A.

Tripling the Distance Between Sound Source and a Listener Will