A student has a remote control for a television. The student points the remote at the television and presses a button on the remote labeled
Volume. A small red light flashes on the front of the remote. The student
observes that the sound from the television becomes lower.
Which statement best describes how the remote control communicates
with the television to change the volume of the sound?
a
Oь
Od
The remote control sends microwaves toward the television that are absorbed by the front of the television
The remote control sends low-energy infrared radiation to a light detector on the front of the television
The remote control sends radio waves in many directions, which bounce off the walls of the room toward the front of the
television
The remote control sends sound waves in many directions, which bounce off the walls of the room toward a vibration detector on
the front of the television
od