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Rayleigh criterion

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  • Rayleigh criterion — /rāˈlē krī tēˈri ən/ (physics) noun A criterion for the resolution of interference fringes, spectral lines and images ORIGIN: JW Strutt, Lord Rayleigh (1842–1919), English physicist …   Useful english dictionary

  • Rayleigh criterion — /ˈreɪli kraɪˌtɪəriən/ (say raylee kruy.tearreeuhn) noun Optics a criterion for determining whether two point sources of light will produce two distinct images despite diffraction. {named after Baron John William Strutt Rayleigh, 1842–1919,… …  

  • Rayleigh — may refer to:*Rayleigh (unit), named after the son of Lord Rayleigh *Rayleigh criterion in Angular resolution *Rayleigh distribution *Rayleigh fading *Rayleigh law on low field magnetization *Rayleigh length *Rayleigh number *Rayleigh quotient… …   Wikipedia

  • Rayleigh disc — /rāˈlē disk/ noun A small light disc hung by a fine thread at an angle to a progressive sound wave, its deflection being used to measure the intensity of the sound ORIGIN: Ety as for ↑Rayleigh criterion …   Useful english dictionary

  • Rayleigh scattering — This article is about the optical phenomenon. For the magnetic phenomenon, see Rayleigh law. For the stochastic distribution, see Rayleigh distribution. For the wireless multipath propagation model, see Rayleigh fading. Rayleigh scattering causes …   Wikipedia

  • Rayleigh disc — /ˈreɪli dɪsk/ (say raylee disk) noun a small disc hung by a fine thread in the path of a soundwave so that the extent to which the disc is deflected is a measure of the intensity of the soundwave. {See Rayleigh criterion} …  

  • John Strutt, 3rd Baron Rayleigh — Infobox Scientist name = Lord Rayleigh caption = John William Strutt, 3rd Baron Rayleigh birth date = Birth date|1842|11|12|df=yes birth place = Langford Grove, Maldon, Essex, England death date = Death date and age|1919|6|30|1842|11|12|df=yes… …   Wikipedia

  • Combustion — This article is about the process of burning. For combustion without external ignition, see spontaneous combustion. For the engine used in mobile propulsion, see internal combustion engine. For the visible part of a fire, see flame. Burning… …   Wikipedia

  • Depth of field — The area within the depth of field appears sharp, while the areas in front of and beyond the depth of field appear blurry …   Wikipedia

  • Angular resolution — describes the resolving power of any image forming device such as an optical or radio telescope, a microscope, a camera, or an eye. Definition of terms Resolving power is the ability of the components of an imaging device to measure the angular… …   Wikipedia

  • Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …   Wikipedia

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