which electromagnetic has the longest wavelength

Answer:

RADIO WAVES

Radio Waves -- The waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency are called radio waves. Radio waves are used to transmit information from the antenna of a broadcasting station to the antenna of your radio or TV.

Explanation:

Answer:

Radio Waves

Explanation:

The waves in the electromagnetic

spectrum that have the longest wavelengths and

lowest frequency are called radio waves. Radio waves

are used to transmit information from the antenna of

a broadcasting station to the antenna of your radio or

TV. In astronomy radio waves are used to gain

information from distant stars using radio telescopes.

Radio telescopes have the advantage that radio waves

are not blocked by conditions of the Earth's atmosphere as light waves are