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" ... the ratio between the sine of the angle of incidence and the sine of the angle of refraction is a constant, depending only upon the nature of the two media. "
The Earth: Its Physical Condition and Most Remarkable Phenomena - Page 161
by William Mullinger Higgins - 1838 - 408 pages
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Dictionary of the Mathematical and Physical Sciences, According to the ...

James Mitchell - 1823 - 666 pages
...supposing the sines proportional to the angles, the sine of the angle of deviation, is as the difference between the sine of the angle of incidence and the sine of the angle of refraction, that is us 3 — 2, or I, whence the sine of incidence is to the sine of the angle of deviation as...
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The Family Library (Harper)., Volume 78

1836 - 422 pages
...than others, but still there is a general law which holds good in all cases in relation to the game medium. Alcohol refracts light more than water, oil...same medium at different angles of incidence, the cines of the angles of refraction will have a constant proportion to the sines of their respective...
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Elements of chemistry including the recent discoveries and ..., Volume 1

Edward Turner - 1837 - 436 pages
...incident and refracted ray is always in a plane perpendicular to the surface common to the media. 2. The sine of the angle of incidence and the sine of the angle of refraction are in a constant report for the same media. The first law is similar to the first law of reflection...
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Elements of Chemistry: Including the Recent Discoveries and Doctrines of the ...

Edward Turner - 1840 - 696 pages
...incident- and refracted ray is always in a piano perpendicular to the surface common to the media. F 2. The sine of the angle of incidence and the sine of the angle of retraction are in a constant report for the same media. The first law is similar to the first law of...
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A Manual of Chemistry on the Basis of Dr. Turner's Elements of Chemistry ...

John Johnston - 1843 - 586 pages
...incident and refracted ray is always in a plane perpendicular to the surface common to the media. 2. The sine of the angle of incidence and the sine of the angle of refraction are in a constant ratio for the same media. The first law is similar to the first law of reflection...
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A Manual of Chemistry on the Basis of Dr. Turner's Elements of Chemistry ...

John Johnston - 1846 - 496 pages
...governed by the two following laws, discovered in 1618, by Snell, though usually ascribed to Descartes. 2. The sine of the angle of incidence and the sine of the angle of refraction are in a constant ratio for the same media. 1. The direction of the incident and refracted ray is always...
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First Lines of Natural Philosophy, Divested of Mathematical Formulae: Being ...

Reynell Coates - 1846 - 692 pages
...philosophers have discovered a common law or rule of refraction applicable to all media. It is this : 790. The sine of the angle of incidence and the sine of the angle of refraction have always a fixed relation or ratio, whatever the obliquity of the incident ray may be, so long as...
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The Medical Brief: A Monthly Journal of Scientific Medicine and ..., Volume 38

1910 - 806 pages
...surface; contrarywise, away from the perpendicular. Q. What is the index of refraction? A. It is the ratio between the sine of the angle of incidence and the sine of the angle of refraction. Air is regarded as the standard medium, and the ratio between the sines of the angles made by a ray...
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Easy lessons in light. (Easy lessons in sci.).

Mrs. Frances Emily Awdry - 1880 - 198 pages
...air or any other refracting medium. Thus, when a ray is passing from vacuum into water or vice versa, the sine of the angle of incidence and the sine of the angle of refraction are to each other in the proportion of nearly 3 to 4, or exactly as i is to i. 335. Hence, this number,...
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The Microscope in Botany: A Guide for the Microscopical Investigation of ...

Wilhelm Julius Behrens - 1885 - 528 pages
...the exponent of refraction, that is to say, in the passage of light from the air into a given fluid, there is a constant relation between the sine of the...incidence and the sine of the angle of refraction. The numerical expression of this relation is the refractive index or exponent. Thus the exponent of...
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