Snell's law

noun \ˈsnelz-\

Definition of Snell's law

  1. :  a law in physics: the ratio of the sines of the angles of incidence and refraction is constant for all incidences in any given pair of media for electromagnetic waves of a definite frequency

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Origin and Etymology of snell's law

after Willebrord Snell van Royen (Willebrord Snellius) †1626 Dutch mathematician

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