Question

what are radio waves

Answer 1

Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies as high as 300 gigahertz (GHz) to as low as 30 hertz (Hz). At 300 GHz, the corresponding wavelength is 1 mm, and at 30 Hz is 10,000 km.

Answer 2

an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication
hope this helps you mate...