VISIBLESPECTRUM

Visible spectrum

The human visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respond to wavelengths from about 390 to 700 nm. In terms of frequency, this corresponds to a band in the vicinity of 430–790 THz. A light-adapted eye generally has its maximum sensitivity at around 555 nm, in the green region of the optical spectrum . The spectrum does not, however, contain all the colors that the human eyes and brain can distinguish. Unsaturated colors such as pink, or purple variations such as magenta, ...

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visible spectrum

Noun

  1. The portion of the electromagnetic spectrum which is visible to the human eye.


The above text is a snippet from Wiktionary: visible spectrum
and as such is available under the Creative Commons Attribution/Share-Alike License.

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