Definitions for critical angle

This page provides all possible meanings and translations of the word critical angle

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. critical angle(noun)

    the smallest angle of incidence for which light is totally reflected

WiktionaryRate this definition:(0.00 / 0 votes)

  1. critical angle(Noun)

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

  2. critical angle(Noun)

    The smallest angle of attack of an airfoil at which lift suddenly decreases and drag suddenly increases

  3. critical angle(Noun)

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

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