| 单词 | snell's law |
| 释义 | Snell's law[ snelz ] / snɛlz / noun 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 the second medium. Origin of Snell's lawnamed after Willebrod Snell van Royen (died 1626), Dutch mathematician Words nearby Snell's lawSnefru, snell, Snellen chart, Snellen's test types, Snellen test, Snell's law, SNF, SNG, snib, snick, snicker Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Snell's lawSnell's law / (snɛlz) / nounphysics 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 Word Origin for Snell's lawC17: named after Willebrord Snell (1591–1626), Dutch physicist Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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