 It may also be defined as the sine of the angle of incidence divided by the sine of the angle of refraction, as light passes from air into the substance.  A Treatise on Optics - Page 22by David Brewster, Alexander Dallas Bache - 1833 - 95 pagesFull view - About this book
 | Alpheus Grant Woodman - 1915 - 532 pages
...—. — prrro = • — * — = sin ^ sin 90 1 That is, in passing from a denser to a rarer medium, the index of refraction is equal to the sine of the angle of incidence for the border line of total reflection. The forms of refractometer most commonly employed in food... | |
 | Alpheus Grant Woodman - 1915 - 532 pages
...sin i sin i n = . „-.i> = , = sin i sin 90 1 That is, in passing from a denser to a rarer medium, the index of refraction is equal to the sine of the angle of incidence for the border line of total reflection. The forms of refractometer most commonly employed in food... | |
 | Hans Harting - 1918 - 254 pages
...light in the two isotropic media I and II, and is, therefore, constant, or: III. The sine of the angle of refraction is equal to the sine of the angle of incidence, divided by a constant number. INDEX OF REFRACTION. — These constants, that is, the ratios of the velocities... | |
 | Frederick Booth - 1921 - 268 pages
...light waves decrease as the optical density of a medium increases. The index of retras.tion equals the sine of the angle of incidence divided by the sine of the angle of refraction, thus sine of the angle of incidence Index of refraction = sine of the angle of refraction Unless more... | |
 | Newton Horace Winchell, Alexander Newton Winchell - 1922 - 248 pages
...occupies such a position that the index of the crystal for the extraordinary ray in the given direction is equal to the sine of the angle of incidence divided by the sine of the angle between the wave-normal and the normal to the surface. That is, if e' is the index for the extraordinary... | |
 | United States. Army. Ordnance Department - 1922 - 120 pages
...equal. The law of refraction. — The angles of incidence and refraction lie in the same plane, and the sine of the angle of incidence divided by the sine of the angle of refraction is equal to a constant n characteristic of the two media and termed the index of refraction of the... | |
 | United States. Army. Ordnance Department - 1924 - 144 pages
...equal. The law of refraction. — The angles of incidence and refraction lie in the same plane, and the sine of the angle of incidence divided by the sine of the angle of refraction is equal to a constant n characteristic of the two media and termed the index of refraction of the... | |
 | 1972 - 376 pages
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 | Frederick Converse Beach, George Edwin Rines - 1911 - 904 pages
...the law of reflection the angle of reflection is equal to the angle of incidence, and for refraction, the sine of the angle of incidence divided by the sine of the angle of refraction is equal to the velocity of propagation of the waves in the first medium divided by the velocity in... | |
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