| Encyclopedias and dictionaries - 1900
...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... | |
| Robert Alfred Herman - Geometrical optics - 1900 - 344 pages
...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... | |
| C. Welborne Piper - Photographic lenses - 1901 - 170 pages
...refractive index from air into glass ; or, to put the relationship of the angles in another form, the **ratio of the sine of the angle of incidence to the .sine of the angle of** refraction equals the relative refractive index. This is called the law of sines. The,course of a ray... | |
| Sir Richard Glazebrook - Heat - 1902 - 213 pages
...REFRACTION AT PLANE SURFACES. 53 for two given media the value of the ratio sin $/sin <j>', 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 - 1902 - 619 pages
...other as A : A or as 4 :3. The quotient t, obtained by dividing the sine of the angle of incidence by **the sine of the angle of refraction, is called the index of refraction,** I being the index of refraction of light in passing from air into water. In passing from air into glass,... | |
| William Albert Noyes - Chemistry, Organic - 1903 - 534 pages
...meant the constant calculated by the formula : M(rf - 1) M = Molecular weight. « = Index of refraction **(ratio of the sine of the angle of incidence to the sine of the angle of** refraction, or ratio of the velocity of light in air to that in the substance). d = Density or specific... | |
| Julius Hortvet - Physics - 1903 - 276 pages
...T?I~) and -=r^ = the index of refraction. r K 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... | |
| Silas Ellsworth Coleman - Physics - 1903 - 234 pages
...their sines. 42. Index of Refraction. — The index of refraction of a substance is defined as the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction when light enters the substance from a vacuum. That is : — AT) rjj) Index of refraction... | |
| William Marshall Watts - Spectrum analysis - 1904 - 325 pages
...called the sine of the angle SIP. The refractive index, usually denoted by the symbol /*, is then the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction ; for, since TI = SI, The formula sin i sin r = ju.; or sin /" = fi. sin r, we shall, no... | |
| Charles Riborg Mann, George Ransom Twiss - Physics - 1905 - 449 pages
...dividing that for air-glass by that for air-water? Show how. 3. The index of refraction is shown to be the **ratio of the sine of the angle of incidence to the sine of the angle of** refraction, Art. 354. If the light falls perpendicularly on a surface of glass, so that the angle of... | |
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