 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
 | Alexander Macfarlane - 1885 - 414 lapas
...medium B, it is bent out of its former straight course in such a manner that the ratio of the sino of the angle of incidence to the sine of the angle of refraction is constant. This physical ratio is expressed by p. L parallel per L along in A — L parallel per L along... | |
 | Richard Dennis Hoblyn - 1887 - 848 lapas
...The fore-finger ; the finger usually employed in pointing at any object. INDEX OF REFRACTION. This is the ratio of the sine of the angle of incidence to the sine of the angle of refraction when a ray of light passes from a vacuum into any medium. INDIA-RUBBER, VULCANIZED. Caoutchouc... | |
 | Edwin Herbert Hall, Joseph Young Bergen - 1891 - 420 lapas
...sine of r, the angle of refraction. The general law of refraction may, then, be stated as follows : The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant quantity, for any two given adjoining media, and is called the Index of Refraction for those... | |
 | 1891 - 592 lapas
...direction of its course is altered, and that this change of direction varies with different media, but that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is always the same for the same medium, whatever may be, within a certain limit, the obliquity of the... | |
 | Edwin Herbert Hall, Joseph Young Bergen - 1891 - 428 lapas
...sine of r, the angle of refraction. The general law of refraction may, then, be stated as follows : The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant quantity, for any two given adjoining media, and is called the Index of Refraction for those... | |
 | Henry Smith Carhart, Horatio Nelson Chute - 1892 - 400 lapas
...in a reverse direction it is bent from the normal. II. Whatever the obliquity of the incident ray, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for the same two media. III. The planes of the angles of incidence and refraction coincide.... | |
 | Henry Smith Carhart, Horatio Nelson Chute - 1892 - 400 lapas
...and refraction coincide. 511. Indices of Refraction. — By the Absolute index of refraction is meant the ratio of the sine of the angle of incidence to the sine of the angle of refraction when the ray passes from a vacuum into the substance. The Relative index of refraction is... | |
 | Howard Forde Hansell - 1892 - 284 lapas
...rays of light which pass through it, away from the direction pursued by them before entering it, or the ratio of the sine of the angle of incidence to the sine of the angle of refraction. The index of refraction of air is taken as I, that of water, as 1.336 (sin. : i. : sin.... | |
 | Howard Forde Hansell, James H. Bell - 1892 - 268 lapas
...rays of light which pass through it, away from the direction pursued by them before entering it, or the ratio of the sine of the angle of incidence to the sine of the angle of refraction. The index of refraction of air is taken as I, that of water, as 1.336 (sin. : i. : sin.... | |
 | Alfred Barnard Basset - 1892 - 466 lapas
...modification in the constitution of the refracted light. 89. The index of refraction of the ordinary ray is the ratio of the sine of the angle of incidence to the angle of refraction, which as we have already seen is constant for all angles. The extraordinary index... | |
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