They go by many names in everyday life.
Here are a few of them:
-- AM
-- FM
-- TV
-- GPS
-- cellphone signal
-- wireless
-- microwave
-- heat
-- red light
-- green light
-- blue light
-- tanning rays
-- X-rays
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Radio waves, television waves, and microwaves are all types of electromagnetic waves. They differ from each other in wavelength. Wavelength is the distance between one wave crest to the next.
The electromagnetic spectrum organizes different types of electromagnetic waves according to their wavelength or frequency.
. APEX: radio waves
Radio waves are the lowest frequency (and therefore longest wavelength) waves in the electromagnetic spectrum.
A radio wave is an electromagnetic wave. It's a form of electromagnetic radiation.The term "radio" is the name given to a part of the spectrum of electromagnetic waves that is used for radio and television broadcasting, mobile phones, terrestrial and satellite wireless communications networks, etc.The whole wide spectrum of electromagnetic waves has frequencies (and wavelengths) ranging from "audio" to "radio" to "infrared" to "visual light" to "X-Rays", and beyond to "gamma rays" at the very top end of the spectrum.
Radio waves are electromagnetic waves and are a part of the electromagnetic spectrum. Other electromagnetic waves in the electromagnetic spectrum are microwaves, visible light, infrared, ultraviolet, x-rays, and gamma rays