Snell's law concept from the Astronomy knowledge base

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Snell's law

subject fact

Snell's law has definition For a refracted light beam, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. (also called the Law of Refraction) has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:54.0
is an instance of optical law

optical law has domain optics

law has discoverer 2001-09-27 09:33:53.0

theory has validity correct or incorrect with caveats
has author or reasearch group
has date or a range of dates for which the theory was active

Snell's law	has definition For a refracted light beam, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant. (also called the Law of Refraction)
Snell's law	is an instance of optical law
optical law	has domain optics
law	has discoverer
theory	has validity correct or incorrect with caveats
	has author or reasearch group
	has date or a range of dates for which the theory was active