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Snell's law

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Snell's law [snɛlz]
n
(Physics / General Physics) Physics the principle that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant when a light ray passes from one medium to another
[named after Willebrord Snell (1591-1626), Dutch physicist]


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But some man-made materials can defy Snell's law and send light refracting on the other side of the line--a negative refraction that essentially takes fish out of water.
Aimed at postgraduate students but also of interest to many mathematicians and physicists, the contents include surveys articles on Dirichlet-Neumann inverse problems on manifolds, numerical investigations association with Laplacian eigenvalues on planar regions, Snell's law and propagation of singularities in the Wave equation and random operators on tree graphs.
Reflection decreased with an increase in the angle of viewing, according to Bragg's Law and Snell's Law.
 
 
 
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