 | William Francis Magie - 1911 - 588 pages
...incident and refracted rays lie in a plane which contains the normal to the refracting surface, and the ratio of the sine of the angle of incidence to the sine of the p angle of refraction is constant. In terms Fig. 165. of the symbols which we have adopted we express... | |
 | William Francis Magie - 1911 - 588 pages
...incident and refracted rays lie in a plane which contains the normal to the refracting surface, and the ratio of the sine of the angle of incidence to the sine of the p angle of refraction is constant. In terms Fig. IBS. of the symbols which we have adopted we express... | |
 | Silas Ellsworth Coleman - 1911 - 672 pages
...--.. 7,-p; PTT = . Hence the law of refraction: Ivnaltvcr EF •*- LO siner the angle of incidence, the ratio of the sine of the angle of incidence to the sine of (he angle of refraction is constant, for the same two media. It can be shown that this ratio is equal... | |
 | Hermann Bohle - 1912 - 244 pages
...of Light. the near side of a vehicle when turning a corner. We say that the light is refracted, and the ratio of the sine of the angle of incidence to the sine of the angle of refraction (see fig. 2-01) is called the refractive index between the two media. 14. SPECTRA.—We... | |
 | Charles E. Gabel - 1912 - 134 pages
...medium. This LAW OF REFRACTION of a medium is also expressed by saying that the index of refraction is the ratio of the sine of the angle of incidence to the sine of the angle of refraction. The ratio of refraction does not vary no matter what the angle of incidence is. The velocity... | |
 | Henry Smith Carhart, Horatio Nelson Chute - 1912 - 466 pages
...bisulphide 1.64 Diamond .... 2.47 1 The older mathematical definition of the index of refraction is the ratio of the sine of the angle of incidence to the sine of the angle of refraction. Now the sine of an angle in a right triangle is the quotient of the side opposite by the... | |
 | Stuart M. Lee - 1995 - 176 pages
...velocity of light in a vacuum to its velocity in a transparent specimen. It is expressed as the ratio to the sine of the angle of incidence to the sine of the angle of refraction. Refractivity The index of refraction minus 1. Specific refractivity is given by n — \ld... | |
 | 1977 - 240 pages
...the first medium is a vacuum is called the absolute index of the second medium. The relative index is the ratio of the sine of the angle of incidence to the sine of the angle of refraction, or the speed of light in the first medium to the speed of light in the second medium. If... | |
 | Bernt P. Stigum - 1990 - 1068 pages
...Another example is Snell's Law: "A ray of light, incident at a surface separating two media, is bent. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant for two given media." As stated, the law is a theorem in the theory of optics... | |
 | Mordechai Feingold - 1990 - 404 pages
...refracting medium (I:11). (5) The angle of incidence always equals the angle of reflection (11:2). (6) The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for any pair of media (I1:4). Barrow briefly justifies these hypotheses by appeal... | |
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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. 
