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 theremote. 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
The remote control sends microwaves toward the television thatare absorbed by the front of the television.
b
The remote control sends low-energy infrared radiation to alight detector on the front of the television.
c
The remote control sends radio waves in many directions, which bounce off the walls of the room toward the front of the television
d
The remote control sends sound waves in many directions, whichbounce off the walls of the room toward a vibration detector on the front of the television.

b. The remote control sends low-energy infrared radiation to a light detector on the front of the television.