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• 22:09, 16 December 2023 Robinr78 talk contribs created page Light (Created page with "{{Header|Light 12/23}} '''Light''' or '''visible light''' is electromagnetic radiation that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nanometres (nm), corresponding to frequencies of 750–420 terahertz, between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths). In physics, the term "light" may refer more broadly to electromagnetic radiation of any wavelength, w...")