Web Results

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.

science-edu.larc.nasa.gov/EDDOCS/Wavelengths_for_Colors.html

Feb 7, 2017 ... This "visible light" corresponds to a wavelength range of 400 - 700 nanometers ( nm) and a color range of violet through red. The human eye is ...

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.

hyperphysics.phy-astr.gsu.edu/hbase/ems3.html

The wavelength range is from about 1 millimeter down to 750 nm. ... In interactions with matter, visible light primarily acts to elevate electrons to higher energy ...

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.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 ...

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, ...

hypertextbook.com/facts/2002/PavelBorodulin.shtml

"For the human eye, the visible radiations range from violet light, in which the ... The visible light region ranges in wavelengths from about 380 or 400 nm to 700 ...

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.thoughtco.com/the-visible-light-spectrum-2699036

Aug 24, 2016 ... The visible light spectrum is the range of electromagnetic radiation that we ... It ranges in wavelength from approximately 400 nm (4 x 10-7 m, ...