Entity: RADIO-WAVES
Radio waves are a type of electromagnetic radiation with the lowest frequencies and the longest wavelengths in the electromagnetic spectrum, primarily used in various types of communications signals and radar astronomy.
RADIO-WAVES
Etymology
The term 'radio waves' was formerly called Hertzian waves.
Definition
Radio waves are a type of electromagnetic radiation with the lowest frequencies and the longest wavelengths in the electromagnetic spectrum, typically with frequencies below 300 gigahertz (GHz) and wavelengths greater than 1 millimeter.
Historical Context
Radio waves have played a significant role in the development of communication technologies, enabling wireless transmission of information over long distances.
Cultural Significance
Radio waves have shaped modern society by facilitating global communication through radio, television, and wireless technologies.
Related Concepts
Radio waves are closely related to other forms of electromagnetic radiation, such as microwaves and infrared waves.
See Also
An electromagnetic wave with radio frequency.