**Snell's law** — In optics and physics, Snell s law (also known as Descartes law, the Snell–Descartes law, and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other… … Wikipedia

**Snell's law** — /snelz/, Optics. the law that, for a ray incident on the interface of two media, the sine of the angle of incidence times the index of refraction of the first medium is equal to the sine of the angle of refraction times the index of refraction of … Universalium

**Snell’s law of refraction** — Snelijaus šviesos lūžimo dėsnis statusas T sritis fizika atitikmenys: angl. Snell’s law of refraction vok. Snelliussches Brechungsgesetz, n rus. закон преломления света Снеллиуса, m pranc. loi de réfraction de Snell, f … Fizikos terminų žodynas

**Snell's law** — /ˈsnɛlz lɔ/ (say snelz law) noun the law that for a ray of light refracted at a surface separating two media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. {named after Willebrod Snell van… …

**Snell's law** — (snelz) [Willebrord van Roijen Snell, Dutch astronomer and mathematician, 1591â€“1626] see under law … Medical dictionary

**snell's law** — n. Physics the law that the ratio of the sines of the angles of incidence and refraction of a wave are constant when it passes between two given media. Etymology: W. Snell, Du. mathematician d. 1626 … Useful english dictionary

**Snell's law** — noun the law that, for a ray incident on the interface of two media, the sine of the angle of incidence times the index of the refraction of the first medium is equal to … Wiktionary

**Snell's law** — Descartes l … Medical dictionary

**Snell's window** — is a phenomenon by which an underwater viewer sees everything above the surface through a cone of light of width of about 96 degrees. [cite book | title = The Underwater Photographer | author = Martin Edge and Ian Turner | year = 1999 | publisher … Wikipedia

**Snell (disambiguation)** — Snell may refer to:*Willebrord Snellius, a Dutch astronomer and mathematician *Snell s law, the law of refraction in optics *Snell Memorial Foundation, an organization which provides standard of safety for helmets … Wikipedia