
Electromagnetic spectrum - Wikipedia
Isaac Newton was the first to use the term spectrum for the range of colours that white light could be split into with a prism. Starting in 1666, Newton showed that these colours were intrinsic to light and …
Light - Electromagnetic, Spectrum, Wavelengths | Britannica
Dec 29, 2025 · Visible light is but one example of a much broader set of phenomena—an electromagnetic spectrum with no theoretical upper or lower limit to frequencies and wavelengths.
Visible Light - NASA Science
Aug 10, 2016 · All electromagnetic radiation is light, but we can only see a small portion of this radiation—the portion we call visible light. Cone-shaped cells in our eyes act as receivers tuned to …
Physics Tutorial: The Electromagnetic and Visible Spectra
The red wavelengths of light are the longer wavelengths and the violet wavelengths of light are the shorter wavelengths. Between red and violet, there is a continuous range or spectrum of …
Electromagnetic Spectrum Definition and Explanation
Aug 29, 2023 · The electromagnetic spectrum is the continuous spectrum of electromagnetic radiation. It covers an enormous frequency range, from about 1 hertz (Hz) at the extreme low end to over 10 25 …
Visible spectrum - Wikipedia
White light is dispersed by a glass prism into the colors of the visible spectrum. The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation …
Understanding Light: The Electromagnetic Spectrum
Jul 27, 2025 · What we perceive as visible light is just a sliver of a grand, invisible kingdom known as the electromagnetic spectrum. It is a vast continuum of energy, stretching from waves longer than a …
Wavelengths - NASA Science
Nov 25, 2025 · The light we can see with our eyes is part of a range of radiation known as the electromagnetic spectrum. Shorter wavelengths of light are higher energy, and longer wavelengths of …
The electromagnetic spectrum: It’s more than visible light
Jul 18, 2024 · The electromagnetic spectrum includes a range of all types of light, not just what we can see. This range – going from radio waves to gamma rays – is mostly invisible to our eyes.
Visible Light Spectrum Overview and Chart - ThoughtCo
May 2, 2024 · The visible light spectrum represents the colors the human eye can perceive, from violet to red. It encompasses wavelengths from approximately 400 to 700 nanometers.