A remote control for a television works by sending out electromagnetic waves. Which is the best description for the behavior of the waves?

Question

anonymous · Answer

Is there a list?

anonymous · Answer

The speed of the waves changes as it moves through the air, so the waves refract and diffract
The remote control sends out longitudinal waves, which then echo off the television detector.
Transverse waves from the remote transmit through air, which are then absorbed by the television detector.

anonymous · Answer

Process of elimination. Two are wrong. One is right. Do you see any that are wrong?

anonymous · Answer

the a and c are wrong ?