Radio Waves

Diagram of the radio region of the electromagnetic spectrum.

Radio waves have the longest wavelengths in the electromagnetic spectrum. These waves can be longer than a football field or as short as a football. Radio waves do more than just bring music to your radio. They also carry signals for your television and cellular phones.

The antennae on your television set receive the signal, in the form of electromagnetic waves, that is broadcasted from the television station. It is displayed on your television screen.

Cable companies have antennae or dishes which receive waves broadcasted from your local TV stations. The signal is then sent through a cable to your house.

Why are car antennae about the same size as TV antennae?

Cellular phones also use radio waves to transmit information. These waves are much smaller that TV and FM radio waves.

Why are antennae on cell phones smaller than antennae on your radio?

continue to Radio waves

Quranic Shifa Subcutaneous IVIg PAGE.

Radio Waves