 | Jane Azevedo - Social Science - 1997 - 344 pages
...light is incident at the surface which separates two media, it is bent in such a way that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is always a constant quantity for those two media."57 But let us imagine what we might have... | |
 | Hrishikesh Baruah - Technology & Engineering - 1997 - 158 pages
...chemical components used in this purpose. Refractive Index: Refractive Index can be defined as a ratio of the sine of the angle of incidence to the sine of the angle of deflection with respect to the normal to the surface. This property is of immense usefulness in petroleum... | |
 | John J. Roche - Mathematics - 1998 - 364 pages
...first to represent the refractive index by a single symbol n which stands for the quotient of the ratio of the sine of the angle of incidence to the sine of the angle of refraction. Biot calls n the 'ratio of refraction'. Hugyens' original term, the 'index of refraction'... | |
 | Henry J. Cowan, Peter R. Smith - Architecture - 1998 - 280 pages
...when a ray of light passes from one medium to another with a different density or impedance. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is the refractive index. See also REFLECTION. refractory brick A brick made from a REFRACTORY... | |
 | Thomas Rossing, Christopher J Chiaverina - Science - 1999 - 496 pages
...block at the center. 3. Use a calculator to find the ratio of angles 6j/6r. Also calculate the ratios of the sine of the angle of incidence to the sine of the angle of refraction by entering each value and then pressing the [SIN] key on your calculator. Lucite or Glass... | |
 | Leslie Clouden - Juvenile Nonfiction - 1999 - 148 pages
...refracted ray and the normal at the point of incidence all lie in the same plane. Snell's law The ratio of the sine of the angle of incidence to the sine of the angle of refraction is called the refractive index. This constant is the refractive index n (see p. 39l. 1t... | |
 | Fred Rost, Ron Oldfield - Medical - 2000 - 310 pages
...objectives Air Fig 6.1. Definition of refractive index. The refractive index n is defined as the ratio of the sine of the angle of incidence to the sine of the angle of refraction. In this example, a light ray (represented by the thick line) incident on a glass-air interface,... | |
 | Donald V. Rosato, Marlene G. Rosato, D. V. Rosato - Science - 2000 - 752 pages
...refraction The ratio of the velocity of light in a vacuum to that in a given substance. It is the ratio of the sine of the angle of incidence to the sine of the angle ot refraction. Refractive index values for unfilled or reinforced plastics can range from 1.3 to 1.6.... | |
 | Weights and measures - 2001 - 184 pages
...velocity of the same radiant power in a specified medium. When one medium is a vacuum, n is the ratio of the sine of the angle of incidence to the sine of the angle of refraction rejection number: in acceptance sampling. the minimum number of nonconforming items in a... | |
 | Charles Bray - Art - 2001 - 294 pages
...passes from one medium to another it often changes its direction and is said to be refracted. The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant to a given pair of media and is known as the refractive index. It is also equal... | |
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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. 
