How Many Vintage collectors Sprinkle in Some Pujols?

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#18

05-04-2010, 10:01 PM

Browncow75 Browncow75 is offline

Brandon Brown

Member

Join Date: Apr 2009

Location: Saint Charles, Mo

Posts: 227

Wikipedia rules lol!

Refraction is the change in direction of a wave due to a change in its speed. This is most commonly observed when a wave passes from one medium to another at an angle. Refraction of light is the most commonly observed phenomenon, but any type of wave can refract when it interacts with a medium, for example when sound waves pass from one medium into another or when water waves move into water of a different depth. Refraction is described by Snell's law, which states that the angle of incidence θ1 is related to the angle of refraction θ2 by

where v1 and v2 are the wave velocities in the respective media, and n1 and n2 the refractive indices. In general, the incident wave is partially refracted and partially reflected; the details of this behavior are described by the Fresnel equations.

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