 | James Andrew Corcoran, Patrick John Ryan, Edmond Francis Prendergast - 1895 - 914 pages
...ourselves, and we hope our readers likewise, by giving the bald definition : " The Index of Refraction is the ratio between the sine of the angle of incidence, and the sine of the angle of refraction." In any medium, a greater index of refraction means a greater... | |
 | Rudolph August Witthaus - 1902 - 720 pages
...and has furnished data for the determination of their molecular structure. The index of refraction is the ratio between the sine of the angle of incidence and the sine of the angle of refraction: n = Jj~. and is determined with an instrument called a refractometer,... | |
 | Austin Flint - 1905 - 988 pages
...nerve is insensible to light. Inasmuch as the punctum caecum is situated in 1 The index of refraction is the ratio between the sine of the angle of incidence and the sine of the angle of refraction. This is practically the same for the cornea, the crystalline lens,... | |
 | 1910 - 766 pages
...the surface ; contrarywise, away from the perpendicular. Q. What is the index of refraction? A. It is the ratio between the sine of the angle of incidence and the sine of the angle of refraction. Air is regarded as the standard medium, and the ratio between... | |
 | United States National Museum - 1921 - 988 pages
...entering minerals from the air is shifted is called their index of refraction; in mathematical terms this is the ratio between the sine of the angle of incidence and that of the angle ot refraction. In amorphous minerals and in those crystallizing in the isometric... | |
 | United States National Museum, George Perkins Merrill - 1922 - 280 pages
...entering minerals from the air is shifted is called their index of refraction; in mathematical terms this is the ratio between the sine of the angle of incidence and that of the angle ol refraction. In amorphous minerals and in those crystallizing in the isometric... | |
 | United States National Museum - 1922 - 938 pages
...entering minerals from the air is shifted is called their index of refraction; in mathematical terms this is the ratio between the sine of the angle of incidence and that of the angle of refraction. In amorphous minerals and in those crystallizing in the isometric... | |
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... another, its direction is, in general, altered at their boundary. The well-known phenomenon of the apparent bending of a stick thrust into water is an illustration of this. The extent to which light entering minerals from the air is shifted is called... 