visible light rays
1light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …
2Light — For other uses, see Light (disambiguation). Visible light redirects here. For other uses, see Visible light (disambiguation) …
3Visible spectrum — White light is dispersed by a prism into the colors of the optical spectrum. The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye …
4Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
5Light beam — A light beam or beam of light is a narrow projection of light energy radiating from a source into a beam. Sunlight is a natural example of a light beam when filtered through various mediums (clouds, foliage, windows, etc). To artificially produce …
6Light tube — This article is about light tubes used for the illumination of buildings. For other uses of the phrase light tubes , see Light tube (disambiguation). Light tubes Light tubes or light pipes are used for transporting or distributing natural or… …
7Light therapy — Intervention Bright light therapy is a common treatment for seasonal affective disorder and for circadian rhythm disorders. ICD 10 PCS …
8light — That portion of electromagnetic radiation (between 390 and 770 nm) to which the retina is sensitive (wavelength range of 380–780 nm). SEE ALSO: lamp. [A.S. leoht] cold l. 1. SYN: bioluminescence (1). 2. fluorescent l. as opposed to incandescent l …
9ultraviolet light — Light rays beyond the visible spectrum of light at its violet end with wavelengths longer than X rays but shorter than visible light …
10light — I. /laɪt / (say luyt) noun 1. that which makes things visible, or affords illumination: all colours depend on light. 2. Physics a. Also, luminous energy, radiant energy. electromagnetic radiation to which the organs of sight react, ranging in… …
