At a Distance of 15

Multiple Choice

At a distance of 15.0 m from a sound source, the intensity level is 60.0 dB. What is the intensity level (in decibels) at a point 2.00 m from the source if the source radiates equally in all directions?

A) 75.5 dB
B) 57.5 dB
C) 77.5 dB
D) 55.7 dB