Electromagnetic radiation | Spectrum, Examples, & Types
https://www.britannica.com/science/electromagnetic-radiation
Webelectromagnetic radiation, in classical physics, the flow of energy at the universal speed of light through free space or through a material medium in the form of the electric and magnetic fields that make up electromagnetic waves such as radio waves, visible light, and gamma rays.In such a wave, time-varying electric and magnetic fields are mutually linked …
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