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en.wikipedia.org/wiki/Visible_spectrum

The 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.

www.physicsclassroom.com/class/light/Lesson-2/The-Electromagnetic-and-Visible-Spectra

This visible light region consists of a spectrum of wavelengths that range from approximately 700 nanometers (abbreviated nm) to approximately 400 nm.

www.livescience.com/50678-visible-light.html

Apr 30, 2015 ... Generally, visible light is defined as the wavelengths that are visible to ... of the visible spectrum, having a longer wavelength, about 740 nm, ...

science.nasa.gov/ems/09_visiblelight

As the full spectrum of visible light travels through a prism, the wavelengths ... Violet has the shortest wavelength, at around 380 nanometers, and red has the ...

www.livephysics.com/physical-constants/optics-pc/wavelength-colors

Approximate wavelength (in vacuum) For the various colors. ... Color, Wavelength (nm) ... The image below shows light's visible spectrum, which runs from violet to red. You might recognize the spectrum as the order of colors in a rainbow.

www.excelitas.com/Pages/Product/Visible-Light-400-nm-750-nm.aspx

Avalanche Photodiodes APD for Visible Light 400 nm-750 nm · Imaging ... at visible photons for fluorescence measurements, long-wavelength infrared for ...

physics.tutorvista.com/waves/wavelength-of-light.html

As already discussed, the Wavelength of Visible Light ranges from 400 – 700 nm. In this section let us discuss wavelength of different colours of the visible ...

www.rfcafe.com/references/general/visible-light.htm

Electromagnetic radiation in this range of wavelengths is called visible light or ... A typical human eye will respond to wavelengths from about 380 to 750 nm.

physics.tutorvista.com/light/visible-light.html

Wavelength of the Visible Light Ranges from 380nm to 750 nm. In the electromagnetic spectrum, Infrared rays has higher wavelength than the visible rays and ...