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Electromagnetic radiation

Electromagnetic radiation
Electromagnetic radiation
J.C. Maxwell
J.C. Maxwell

Electromagnetic radiation is the propagation of electrical and magnetic waves through space. Radio waves, light, X-rays and γ-radiation are all forms of this radiation. The waves are described by a wavelength (λ) and a frequency (ν), the product of which is equal to the speed of light. The speed of light in vacuum is fixed to be equal to 299,792,458 m/s.

wavelength (λ) × frequency (ν) = speed of light (c)

Electromagnetic radiation can also be understood as a stream of photons (light particles).

History

The Scottish mathematician and physicist James Clerk Maxwell (1831 – 1879) has formulated the basic equations on which the entire classical electromagnetic theory is built.

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Last modified:11 April 2024 3.27 p.m.
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