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Light - Wikipedia, the free encyclopedia
Light, or visible light, is electromagnetic radiation of a wavelength that is visible to the human eye (about 400–700 nm). In optics, the term visible light refers to ...
light definition | Dictionary.com
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HowStuffWorks How Light Works
When we see an object, we are actually seeing light -- light that somehow left the object and reached our eyes. We also encounter light in things that produce it, from light bulbs ...
light - OneLook Dictionary Search
Quick definitions (light) ▸ noun: any device serving as a source of illumination (He stopped the car and turned off the lights) ▸ noun: the visual effect of illumination on ...
light
Easier - Light is brightness that comes from an object such as the sun, a fire, a flashlight, or a lamp. Harder - All light ...
light - Definition of light at Your Dictionary
noun. the form of electromagnetic radiation that acts upon the retina of the eye, optic nerve, etc., making sight possible: this energy is transmitted in a vacuum at a velocity of ...