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electromagnetic spectrum
waves
X-rays
X-rays are a type of radiation called electromagnetic waves. X-ray imaging creates pictures of the inside of your body.
ultraviolet
Ultraviolet light is a form of radiation which is not visible to the human eye. It's in an invisible part of the "electromagnetic spectrum''
microwaves
A microwave is a small oven that cooks or heats food very quickly. Instead of the electric or gas heat that a regular oven uses, a microwave heats with electromagnetic radiation.
radio waves
Radio waves are a type of electromagnetic radiation best-known for their use in communication technologies, such as television, mobile phones and radios
infrared
infrared radiation, that portion of the electromagnetic spectrum that extends from the long wavelength, or red, end of the visible-light range to the microwave range.
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amplitude
In electromagnetic waves, the amplitude is the maximum field strength of the electric and magnetic fields. (See Figure 1.) where c is the speed of light, ε0 is the permittivity of free space, and E0 is the maximum electric field strength; intensity, as always, is power per unit area (here in W/m2)
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