 | Harry Forbes Witherby - 1896 - 374 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... | |
 | 1898 - 616 páginas
...the velocities of the incident and refracted rays or socalled " index of refraction" being equal to the ratio of the sines of the angles of incidence and refraction. Let 10, Fig. 208, be a ray of light striking the crystal face AB at O. Let J/f be the ray surface of... | |
 | William Henry Chandler - 1898 - 600 páginas
...and incidence are in the same plane containing the normal to the surface at the point of contact. 2. The ratio of the sines of the angles of incidence and refraction is constant for the same two media. This is called the Law of Sines. This constant is called the Index... | |
 | Alfred Joseph Moses - 1899 - 234 páginas
...the velocities of the incident and refracted rays or socalled " index of refraction" being equa to the ratio of the sines of the angles of incidence and refraction. Let 10, Fig. 208, be a ray of light striking the crystal face AB at 0. Let M2 be the ray surface of... | |
 | Simon Henry Gage - 1899 - 272 páginas
...refractive medium, the index of refraction will show a corresponding decrease and vice versa. That is the ratio of the sines of the angles of incidence and refraction of any two contiguous substances is inversely as the refractive indices of those substances. The formula... | |
 | Alfred J Moses - 1899 - 240 páginas
...the velocities of the incident and refracted rays or socalled " index of refraction" being equa to the ratio of the sines of the angles of incidence and refraction. Let 10, Fig. 208, be a ray of light striking the crystal face AB at O. Let Jlf 3 be the ray surface... | |
 | Roger Bacon - 1900 - 608 páginas
...three centuries were to pass before the discovery of the law of sines, that is to say, the law 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. It might seem,... | |
 | 1900 - 532 páginas
...21. ie, 3 : 2. This fact maybe, then, So long as the light passes from one to the other of two media, the ratio of the sines of the angles of incidence and refraction remains constant. Different bodies possess different refractive power, and, as a rule, the densest... | |
 | Henry Smith Carhart, Horatio Nelson Chute - 1901 - 464 páginas
...Snell, a Dutch physicist, in 1621. 260. Indices of Refraction. — The absolute index of refraction is the ratio of the sines of the angles of incidence and refraction when the ray passes from a vacuum into the substance. The relative index of refraction is the index... | |
 | Simon Henry Gage - 1901 - 324 páginas
...the angle and consequently the less the sine of the angle, and as the refraction between two media is the ratio of the sines of the angles of incidence and refraction ( - -- ) , it will be seen that whenever the sine of the angle of refrac\ s1n r / ' tion is increased... | |
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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. 
