A Listener Records a Sound Intensity of 12 W/m $2$ From a 250-W Loudspeaker

Multiple Choice

A listener records a sound intensity of 12 W/m $2$ from a 250-W loudspeaker. The loudspeaker emits sound uniformly in all directions. The distance from the loudspeaker to the listener is

A) 2.6 m.
B) 5.2 m.
C) 1.3 m.
D) 4.1 m.