18. Waves & Sound
Wave Intensity
18. Waves & Sound Wave Intensity
8PRACTICE PROBLEM
A loudspeaker emits sound waves uniformly in all directions. The intensity of the sound waves measured with a sound level meter at 10 m from the loudspeaker is 4 × 10-8 W/m2. What would be the intensity of the sound if you placed the sound level meter at 5 meters from the loudspeaker?
A loudspeaker emits sound waves uniformly in all directions. The intensity of the sound waves measured with a sound level meter at 10 m from the loudspeaker is 4 × 10-8 W/m2. What would be the intensity of the sound if you placed the sound level meter at 5 meters from the loudspeaker?