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Tutorial on refraction and calculating refractive index. Move arrows to start simulations.
Refractometers are measuring instruments which are based on the principle that as the density of a substance rises), it's refractive index rises proportionately.
A Marvin and Milo activity about refractive index. All you need is a large Pyrex® bowl,a small Pyrex® bowl and vegetable oil.
A brief description of how Refractive Vision Problems such as nearsightedness (myopia), farsightedness (hyperopia), astigmatism and presbyopia work. Part of Marshall Brain's HowStuffWorks.com.
Describes birefringence and has a table for refractive indices values of various materials.
Applet showing refraction of light from medium 1 to medium 2. refractive indices and incident angle can be altered, and total internal reflection demonstrated.
Index for information on mechanics, short but good explanations.
Excellent information on the abacus plus many links to various articles online.
The vergence of light is defined by where n is the index of refraction of the medium and L is the distance in accordance with the Cartesian sign convention.
Index page for definitions related to dielectrics.
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