3. A speaker designed to emit spherical sound waves is producing a sound intensity of 8 W/m2 at a distance of 1 m from the speaker. What would be the intensity of this sound at a distance of 2 m from the speaker?
a. W/m2 b. 4 W/m2 c. W/m2 d. 2 W/m2
I 2 = 2... View the full answer