LIGHT meaning: 1 : the form of energy that makes it possible to see things the brightness produced by the sun, by fire, by a lamp, etc. sometimes used figuratively; 2 : a source of light (such as an electric lamp)
source or from any one point on a broad source after passing through a limiting aperture. A pencil of light may be convergent, divergent or parallel. The ray passing through the centre of the aperture is the chief ray.Syn.homocentric bundle of rays; homocentric pencil of rays.Seebeam of ...
LIGHT meaning: 1 : the form of energy that makes it possible to see things the brightness produced by the sun, by fire, by a lamp, etc. sometimes used figuratively; 2 : a source of light (such as an electric lamp)
beam pickup noun : a phonograph pickup using a beam of light to couple the stylus to a light-sensitive converting element see the full definition word of the day consternation see definitions and examples » get word of the day daily email! test your vocabulary challenging standardized test ...
(redirected from light beam diaphragm)Also found in: Thesaurus, Medical, Encyclopedia. light 1 (līt) n. 1. Physics a. Electromagnetic radiation that is visible, perceivable by the normal human eye as colors between red and violet, having frequencies between 400 terahertz and 790 terahertz ...
Define light bulb. light bulb synonyms, light bulb pronunciation, light bulb translation, English dictionary definition of light bulb. n. A light-emitting device that consists of a gas-filled glass tube or bulb and is used inside electric light fixtures
The meaning of LIGHT-BEAM PICKUP is a phonograph pickup using a beam of light to couple the stylus to a light-sensitive converting element.
something is bathed in light literary (=something has a lot of light shining on it)The fields and woods were bathed in golden light.phrasesa beam/ray/shaft of light (=a thin line of light)There was a shaft of light from the doorway.a flash of light (=a bright light that appears ...
Answer Man: The Meaning of LightJohn Kelly
Thus a beam of polychromatic light incident on a grating spatially separates according to its spectral content. A diffraction grating with period Λ larger than the wavelength generally exhibits multiple diffracted waves excited by a single incident plane wave as illustrated in Figure 3. Diffraction ...