Radio waves have lower frequencies and longer wavelengths than microwaves. They are used to transmit television and radio programmes. Television uses higher frequencies than radio. A radio programme receiver does not need to be directly in view of the transmitter to receive programme signals.
Hereof, are radio waves transverse or longitudinal waves?
Waves that, like sound, vibrate in the same direction as their direction of propagation are longitudinal waves, while waves that vibrate at right angles to their direction of propagation are transverse waves. Radio waves are one kind of transverse wave.
Are radio waves light waves?
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. At 300 GHz, the corresponding wavelength is 1 mm, and at 30 Hz is 10,000 km. Like all other electromagnetic waves, radio waves travel at the speed of light.
What is radiofrequency wave?
Radiofrequency (RF) energy is another name for radio waves. It is one form of electromagnetic energy which consists of waves of electric and magnetic energy moving together (radiating) through space. The area where these waves are found is called an electromagnetic field.