Bragg's law

Bragg's law
the law that the intensity of a crystal reflection of an x-ray is a function of the angle (Bragg angle) that is the complement of the angle of incidence of the x-ray.
[1910-15; named after Sir W. H. and Sir W. L. BRAGG]

* * *


Universalium. 2010.

Look at other dictionaries:

  • Bragg's law — In physics, Bragg s law is the result of experiments into the diffraction of X rays or neutrons off crystal surfaces at certain angles, derived by physicist Sir William Lawrence Bragg [ There are some sources, like the Academic American… …   Wikipedia

  • bragg's law — gz noun Usage: usually capitalized B Etymology: after W.H. & W.L. Bragg : a law in physics: there is a definite relationship between the angle at which a beam of X rays must fall on the parallel planes of atoms in a crystal in order that there be …   Useful english dictionary

  • Bragg's law — noun equates the angle between the incident and scattered ray to the spacing between the crystal planes and the wavelength of the radiation See Also: Bragg scattering, Bragg angle …   Wiktionary

  • Bragg diffraction — (also referred to as the Bragg formulation of X ray diffraction) was first proposed by William Lawrence Bragg and William Henry Bragg in 1913 in response to their discovery that crystalline solids produced surprising patterns of reflected X rays… …   Wikipedia

  • Bragg — may refer to:*Bragg, Texas, a US ghost town *Electoral district of Bragg, a state electoral district in South Australia *Bragg (crater), a crater on the Moon *Bragg Communications, a Canadian cable television provider *Bragg (surname), people… …   Wikipedia

  • Bragg'slaw — Bragg s law (brăgz) n. The fundamental law of x ray crystallography, nλ = 2dsinθ, where n is an integer, λis the wavelength of a beam of x rays incident on a crystal with lattice planes separated by distance d, and θis the Bragg angle.   [After… …   Universalium

  • Bragg — noun Confederate general during the American Civil War who was defeated by Grant in the battle of Chattanooga (1817 1876) • Syn: ↑Braxton Bragg • Instance Hypernyms: ↑general, ↑full general * * * BRAGG stimulated the following associations …   Useful english dictionary

  • Bragg scattering — Physics. the diffraction phenomenon exhibited by a crystal bombarded with x rays in such a way that each plane of the crystal lattice acts as a reflector (Bragg reflector). Also called Bragg reflection. [see BRAGG S LAW] * * * …   Universalium

  • bragg angle — ˈbrag noun Usage: usually capitalized B Etymology: after Sir William Henry Bragg died 1942 and Sir William Lawrence Bragg died 1971 English physicists : the small angle between an incident X ray beam and the diffracting planes of a crystal… …   Useful english dictionary

  • bragg reflection — ˈbrag , aa , ai noun Usage: usually capitalized B Etymology: after Sir William H. Bragg died 1942 and Sir William L. Bragg died 1971 English physicists : the action of a crystal in reflecting X rays or particle waves (as electrons or neutrons) in …   Useful english dictionary