 When a ray of light passes from one medium to another, it is refracted so that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocities in the two media.  Forensic Science: An Illustrated Dictionary - 220. lappuseautors: John C. Brenner - 2003 - 296 lapasIerobežota priekšskatīšana - Par šo grāmatu
 | Joseph Sweetman Ames - 1897 - 548 lapas
...refracted wave-fronts and to the plane surface all lie in one plane, viz. the plane of incidence. 2. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant for a given form of matter and waves of a definite wave-number; it is entirely independent... | |
 | Edward Leamington Nichols - 1897 - 476 lapas
...refracted. The law of its change of direction follows a fixed law ; viz. : 343. THK LAW OF REFRACTION. — The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant. The law may be expressed thus, sinr The quantity n in the above equation is called the index... | |
 | Jabez Hogg - 1898 - 780 lapas
...the light also of the same kind, then it is referred to as the law of sines. Indices of Refraction. The ratio of the sine of the angle of incidence to the sine of the angle of refraction, when a ray passes from one medinm to another is termed the relative index of refraction.... | |
 | William Henry Chandler - 1898 - 600 lapas
...works devoted to special subjects are almost innumerable. IXDEX— INDIANS Index of Refraction. Rates of the sine of the angle of incidence to the sine of the angle of refraction. See REFRACTION. India. Country of s. Asia, a dependency of Great Britain. It consists mainly... | |
 | William Watson - 1899 - 990 lapas
...zero, then in general there will be two refracted rays, but while one of them obeys Snell's law in that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant, whatever the direction of the incident ray, for the other ray this ratio is different for... | |
 | Julius Hortvet - 1899 - 280 lapas
...sulce CF = CE' ED But pr> = the index of refraction. Hence the index of refraction is defined also as the ratio of the sine of the angle of incidence to the sine of the angle of refraction. The index of refraction is different for rays of different colors, increasing from the... | |
 | George Adelmer Rogers - 1899 - 240 lapas
...potential foci of the neutral pencils are posterior to the retina. Index. — (i") Index of Refraction. The ratio of the sine of the angle of incidence to the sine of the angle of refraction (alb). (2) Index of Resistance. The ratio of the resistance of a medium to the resistance... | |
 | Robert Alfred Herman - 1900 - 364 lapas
...(i) The two parts of the ray are in the same plane with the normal and on opposite sides of it. (ii) The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant, depending on the media, and on the nature of the light. The relation between the sines... | |
 | George Arthur Hoadley - 1900 - 476 lapas
...sines of the angles of incidence and refraction respectively if we consider the radius BGr to be unity. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is called the index of refraction. In Fig. 429 the index of refraction is _ • FGr HK. 469. The Laws... | |
 | 1900 - 730 lapas
...of either ray in a double refracting medium, see POLARIZATION. Index of Refraction, — The constant ratio of the sine of the angle of incidence to the sine of the angle of refraction when a ray of homogeneous light passes through the bounding surface between two media. Thus... | |
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