What does Snells law mean?
Definitions for Snells law
snells law
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Wiktionary
Snells lawnoun
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 the sine of the angle of refraction times the index of refraction of the second medium
Etymology: For Willebrord van Roijen Snell Dutch mathematician
Wikipedia
Snells law
Snell's law (also known as Snell–Descartes law and ibn-Sahl 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 waves passing through a boundary between two different isotropic media, such as water, glass, or air. In optics, the law is used in ray tracing to compute the angles of incidence or refraction, and in experimental optics to find the refractive index of a material. The law is also satisfied in meta-materials, which allow light to be bent "backward" at a negative angle of refraction with a negative refractive index. Snell's law states that, for a given pair of media, the ratio of the sines of angle of incidence ( θ 1 {\displaystyle \theta _{1}} ) and angle of refraction ( θ 2 {\displaystyle \theta _{2}} ) is equal to the refractive index of the second medium w.r.t the first (n21) which is equal to the ratio of the refractive indices (n2/n1) of the two media, or equivalently, to the ratio of the phase velocities (v1/v2) in the two media. sin θ 1 sin θ 2 = n 21 = n 2 n 1 = v 1 v 2 {\displaystyle {\frac {\sin \theta _{1}}{\sin \theta _{2}}}=n_{21}={\frac {n_{2}}{n_{1}}}={\frac {v_{1}}{v_{2}}}} The law follows from Fermat's principle of least time, which in turn follows from the propagation of light as waves.
Numerology
Chaldean Numerology
The numerical value of Snells law in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of Snells law in Pythagorean Numerology is: 9
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"Snells law." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/Snells+law>.
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