| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024Snell's′ law′ (snelz),USA pronunciation [Optics.]- Opticsthe 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.
- named after Willebrod Snell van Royen (died 1626), Dutch mathematician
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