Visible light

visible light

(Science: physics) electromagnetic radiation with wavelengths between 400 nanometres and 750 nanometres. Electromagnetic radiation within this range can be detected by the human eye. Colours depend on the wavelength lengths, a short wavelength (the 400 nm side) looks blue and a long wavelength (the 750 nm side) looks red. (physics) electromagnetic radiation that can produce a visual sensation; the light was filtered through a soft glass window.

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