| Howard Forde Hansell, James H. Bell - Eye - 1892 - 231 pages
...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.... | |
| Sir Richard Gregory - Geomorphology - 1893 - 277 pages
...follows : — (1.) The incident ray, the normal, and the- refracted ray all lie in one plane. (2.) The **ratio of the sine of the angle of incidence to the sine of the angle of refraction is** a constant quantity so long as the media from and to which the light is passing remain the same. If... | |
| S. P. Meads - Physics - 1894 - 288 pages
...incidence. Measure CM the sine of the angle of refraction. Divide DA by CE. The index of refraction is the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction. This is constant for any two substances, whatever be the angle of incidence. The index... | |
| Sir Richard Tetley Glazebrook - Heat - 1894 - 207 pages
...called the refractive index of the medium. To find the refractive index, then, we require to know the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction. If the medium from which the light is incident be air, then for all transparent bodies... | |
| Sir Richard Glazebrook - Heat - 1894 - 434 pages
...Treatise, Pitt Press Math. Series. for two given media the value of the ratio sin <£/sin <£', ie the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction was constant for all angles of incidence. In Table I. are tabulated in the first two columns... | |
| Sir Richard Glazebrook - Light - 1894 - 213 pages
...REFKACTION AT PLANE SURFACES. 53 for two given media the value of the ratio sin <£/sin <f>', ie the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction was constant for all angles of incidence. In Table I. are tabulated in the first two columns... | |
| Flavel Benjamin Tiffany - Eye - 1894 - 307 pages
...other as A : iV or as 4:3. The quotient \, obtained by dividing the sine of the angle of incidence by **the sine of the angle of refraction, is called the index of refraction,** £ being the index of refraction of light in passing from air into water. In passing from air into... | |
| Charles Kendall Adams - Encyclopedias and dictionaries - 1895
...the direction 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... | |
| George Neil Stewart - Physiology - 1895 - 796 pages
...two media. For purposes of comparison, the refractive index of a substance is usually taken as the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction of a ray passing from air into the substance. When a ray strikes a surface at right angles,... | |
| S. P. Meads - 1896
...incidence. Measure CE the sine of the angle of refraction. Divide DA by CE. The index of refraction is the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction. This is constant for any two substances, whatever be the angle of incidence. The index... | |
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