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" ... that the ratio of the sines of the angles of incidence and refraction is constant for refraction in the same medium, was effected by Snell and Descartes. "
The Life of Sir Isaac Newton - Página 78
por David Brewster - 1832 - 323 páginas
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The American Cyclopaedia: A Popular Dictionary of General Knowledge, Volumen10

George Ripley, Charles Anderson Dana - 1875 - 884 páginas
...correction in 1604. The laws of single refraction may be stated as follows: 1. At any angle of incidence the ratio of the sines of the angles of incidence and refraction is constant for the same two media, but varies with different media, and this ratio is called the index...
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A Practical treatise on the diseases of the eye

Henry Haynes Walton - 1875 - 1254 páginas
...the angle of incidence equals the angle of reflexion. The direction of the refracted ray is such that the ratio of the sines of the angles of incidence and refraction, is constant for the same media. The scattered rays proceed from the point of incidence as from a self-luminous...
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The American Journal of Science

1907 - 1080 páginas
...reflection, and r the angle of refraction. Since the angles of incidence and reflection are equal and since the ratio of the sines of the angles of incidence and refraction is v,-rv,, the components, A, of —and , parallel to the surface, are equal. For simplicity, we will...
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Sound and light

Augustin Privat-Deschanel - 1881 - 318 páginas
...When the plane of incidence is parallel to the axis, the extraordinary ray lies in this plane, but the ratio of the sines of the angles of incidence and refraction is variable. When the plane of incidence is oblique to the axis, the extraordinary ray generally lies...
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Manual of Chemistry, Volumen1

George Fownes - 1883 - 602 páginas
...expressed by saying, that so long as the light passes from one to the other of the same two media, the ratio of the sines of the angles of incidence and refraction is constant. This ratio is culled the index of refraction. DISPERSION. the combustible nature of the...
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Light

Peter Guthrie Tait - 1884 - 294 páginas
...the extraordinary ray. Thus, in general, the extraordinary ray is not in the plane of incidence. Also the ratio of the sines of the angles of incidence and refraction is generally different for different directions of incidence, in the case of the extraordinary ray....
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Elementary Natural Philosophy: Designed for High Schools and Academies

La Roy Freese Griffin - 1886 - 326 páginas
...incidence, and measure as before, and find the ratio; it is the same as at first. Hence the Second Law. The ratio of the sines of the angles of incidence and refraction is constant for any given media. 686. Index of Refraction. The ratio of the sines between any two media...
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Discoveries and Inventions of the Nineteenth Century

Robert Routledge - 1893 - 732 páginas
...departs from the plane of incidence, except when the latter is parallel to the principal section, and the ratio of the sines of the angles of incidence and refraction varies with the incidence. The reader who is desirous of studying these curious phenomena of double...
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Physics for University Students: Mechanics, sound and light

Henry Smith Carhart - 1894 - 394 páginas
...light is propagated is isotropic, the plane of incidence and the plane of refraction coincide, and the ratio of the sines of the angles of incidence and refraction is a constant. If the second medium is optically denser than the first, the refracted' ray is deflected...
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Light

William Thomas Allder Emtage - 1896 - 368 páginas
...through P is taken after suitably adjusting the scale. The ratio of C' P' to CP, which is the same as the ratio of the sines of the angles of incidence and refraction at the surface of the liquid, should be found constant. Fig. 35 shows how the apparatus may be used...
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