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Meaning of critical angle

Source language: EnglishDictionary language: English

critical angle

noun

Definitions

  1. The smallest angle of incidence for which light is totally reflected from a boundary between one medium and a less refractive one

  2. (aerodynamics) The smallest angle of attack of an airfoil at which lift suddenly decreases and drag suddenly increases

  3. The smallest angle of a ramp or stairs considered uncomfortable or unsafe

Sources:https://en.wiktionary.org/wiki/critical%20angle

Related words

angle of incidenceangle of refractionphase angleangle of reflectionbrewster's anglereflex anglecaustic surfacereference angle