 | United States. Army Topographic Command - 1969 - 292 pages
...See etch slip. snap marker— See point marker. Snell's law of refraction— This law states that the sine of the angle of incidence divided by the sine of the angle of refraction equals a constant termed the index of refraction when one of the media is air. The index of refraction... | |
 | Us Dept Of Defense - 1999 - 396 pages
...specified wavelength) in air to its velocity in the substance under examination. Also 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. Reinforced Plastic - A plastic with relatively high stiffness... | |
 | F. McLennan, Bruce R. Kowalski - 1995 - 400 pages
...angles of incidence and refraction. He considered the two media air and water and established that the sine of the angle of incidence divided by the sine of the angle of refraction is a constant: sin r PHYSICAL PROPERTY ANALYZERS Air Water Figure 3.28 The laws of refraction (I). (Reproduced from... | |
 | R. Timothy Hitchcock, Robert M. Patterson - 1995 - 560 pages
...incident and refracted rays are in the same plane and follow SnelFs law. The latter states that the sine of the angle of incidence divided by the sine of the angle of refraction is equal to some refractive constant. Regular Reflection, Law of A reflected ray is in the same plane... | |
 | Mario Bunge - 626 pages
...single step nearer the true hypothesis, which is Snell's law. Snell's law can be stated thus: "The sine of the angle of incidence divided by the sine of the angle of refraction equals a constant [the refractive index of the pair of substances concerned]". In symbols: sin i/sin... | |
 | Michael Chapple - 1999 - 282 pages
...the normal to the refracting surface at the point of incidence all lie in the same plane. 2nd law The sine of the angle of incidence divided by the sine of the angle of refraction is a constant for two given media. The following diagram illustrates a typical situation. The first law states that... | |
 | Ivor S. Levy, Paul Riordan-Eva - 1993 - 56 pages
...the interface on passing into a medium of greater refractive index C - F SnelPs law states that the sine of the angle of incidence divided by the sine of the angle of refraction is equal to the change in refractive index D - F a convex spherical curved surface causes parallel light... | |
 | Christopher E. Cooper - 2001 - 284 pages
...law of refraction in optics, the rule that when a ray of light passes from one medium to another, the sine of the angle of incidence divided by the sine of the angle of refraction is equal to the ratio of the indices of refraction in the two media. For a ray passing from medium 1 to... | |
 | Luc Baert - 2001 - 358 pages
...interface of the two media if the angle of incidence is not 90°. The index of refraction n is the sine of the angle of incidence divided by the sine of the angle of refraction, as illustrated in Figure 10.4. Refractive index varies with wavelength and ranges from 1.0003 to 2.7.... | |
 | Mac E. Van Valkenburg, Wendy M. Middleton - 2001 - 1696 pages
...mediums if the angle of incidence is unequal to 90°. The index of refraction for a substance is the sine of the angle of incidence divided by the sine of the angle of refraction. Refractive index varies with wavelength and ranges from 1. 002914 (air at 656 nm) to 2.7 (crystalline... | |
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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. 
