 | David Burns - 1921 - 492 Seiten
...point of incidence. This perpendicular is called the normal. Snell's Law states that for any two media, the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction. In Fig. 46 PO is the incident ray, OQ the refracted ray, NOM the normal to the interface... | |
 | Ervin Sidney Ferry - 1921 - 760 Seiten
...Da = DF sin i, and Dd = DF sin r. Therefore, the index of refraction sin i sm r (114) Consequently, the sine of the angle, of incidence bears a constant ratio to the sine of the angle of refraction. Tiiis is called Snell's Law of Refraction. It can also be shown that when both aubstances... | |
 | Newton Horace Winchell, Alexander Newton Winchell - 1922 - 248 Seiten
...Let this constant be denoted by N. Then, v sin i ,, — „. — A/ . f — . " t v sin r that is, the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction, the ratio being the same as that between the velocities of light in the two substances.... | |
 | R. S. Woolhouse - 1994 - 536 Seiten
...Caesar decided to cross the Rubicon on a certain occasion, and it is a contingent general truth that the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction for light of a given wave-length travelling from a certain medium to a certain other. It... | |
 | Roger Brown - 1999 - 864 Seiten
...ray definition below more helpful. When a ray of light passes from one isotropic medium to another, the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction (both measured with respect to the normal) for all angles of incidence. This ratio depends... | |
 | Oswald H. Blackwood, William C. Kelly, Raymond M. Bell - 1973 - 428 Seiten
...plane as the normal. 2nd law (or Snell's law). When a ray of light passes from one medium to another the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction. The ratio is called the refractive index from one medium to the other, and is denoted by... | |
 | 1898 - 454 Seiten
...refracted rays are in a plane that is perpendicular to the refracting surface. (3) For any two media, the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction. GEOGRAPHY.— 1. Too long. 2. (a) West and southwest — some in northeast. (b) East, south,... | |
 | 212 Seiten
...entered the denser medium, and away from the normal in the other case. Snell's law, which states that the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction, while it serves as a useful generalisation, unfortunately does not suggest any explanation... | |
 | Arthur Edward Ellard McKenzie - 1965 - 386 Seiten
...of, and in the same plane as, the normal. (2) When a ray of light passes from one medium to another the sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction. Normal Refracted ray Fig. 4 The ratio sin //sin r is known as the refractive index from... | |
 | 1898 - 366 Seiten
...The incident and refracted rays are in a plane thai is perpendicular to the refracting surface; and the angle of incidence bears a constant ratio to the sine of the angle of refraction. 8. Heat is diffused by conduction, as when by holding one end of a pin in a llame the entire... | |
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The sine of the angle of incidence bears a constant ratio to the sine of the angle of refraction. 
