18. Waves & Sound
Wave Intensity
18. Waves & Sound Wave Intensity
14PRACTICE PROBLEM
A radio wave transmitter emits radio waves at an intensity of 4.5 × 10-3 W/m2. These waves are received by an antenna with a 120 cm diameter. Determine the amount of energy that will be delivered to the antenna if the radio waves are incident on the antenna for 3.0 min.
A radio wave transmitter emits radio waves at an intensity of 4.5 × 10-3 W/m2. These waves are received by an antenna with a 120 cm diameter. Determine the amount of energy that will be delivered to the antenna if the radio waves are incident on the antenna for 3.0 min.