Visible spectrum - Wikipedia, the free encyclopedia
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The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible l...
en.wikipedia.org/wiki/Visible_spectrum
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The visible light spectrum is the range of electromagnetic radiation that we are most familiar with. Here you can learn even more about it! ... The Visible Light Spectrum...
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physics.about.com/od/lightoptics/a/vislightspec.htm
physics.about.com/od/lightoptics/a/vislightspec.htm
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Explanation of Visible Light to Succeed in Understanding Physics: School for Champions ... What makes visible light different than the other electromagnetic waves--such as radio waves and x-rays--is that light can be detected with your eyes. This is due to the light causing chemical changes in your retina.
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www.school-for-champions.com/science/light.htm
www.school-for-champions.com/science/light.htm
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Radiation is energy that travels and spreads out as it goes-- visible light that comes from a lamp in your house and radio waves that come from a radio station are two types of electromagnetic radiation. Other examples of EM radiation are microwaves, infrared and ultraviolet light, X-rays and gamma-rays.
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imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.h...
imagine.gsfc.nasa.gov/docs/science/know_l1/emspectrum.html
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It was pointed out that the only difference between radio waves, visible light, and gamma-rays is the energy of the photons. Radio waves have photons with low energies, microwaves have a little more energy than radio waves, infrared has still more, then visible, ultraviolet, X-rays, and gamma-rays.
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imagine.gsfc.nasa.gov/docs/science/know_l2/emspectrum.h...
imagine.gsfc.nasa.gov/docs/science/know_l2/emspectrum.html
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What is light? Light and lighting are explained in this section. ... Why is it that a beam of light radiates outward, as Young proved? What is really going on? To understand light waves, it helps to start by discussing a more familiar kind of wave -- the one we see in the water.
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www.howstuffworks.com/light2.htm
www.howstuffworks.com/light2.htm
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One precaution we take in our environment to protect ourselves from the dangers of visible light is to safeguard our eyes from direct sunlight, or any form of bright light.
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www.smgaels.org/physics/lights.htm
www.smgaels.org/physics/lights.htm
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Visible light is one way energy uses to get around. Light waves are the result of vibrations of electric and magnetic fields, and are thus a form of electromagnetic (EM) radiation. Visible light is just one of many types of EM radiation, and occupies a very small range of the overall electromagnetic spectrum.
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www.windows.ucar.edu/tour/link=/physical_science/magnet...
www.windows.ucar.edu/tour/link=/physical_science/magnetism/em_visible_light.html
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