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refractive index
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refractive index

Measure of the refraction of a ray of light as it passes from one transparent medium to another. If the angle of incidence is i and the angle of refraction is r, the ratio of the two refractive indices is given by n1/n2 = sin i/sin r. It is also equal to the speed of light in the first medium divided by the speed of light in the second, and it varies with the wavelength of the light.



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? Mentioned in ? References in periodicals archive
 
Neutron interferometric observation of the virtual excitation and multiple scattering correction terms to the index of refraction
Precision measurements with slow neutrons: April 5-7, 2004 by Journal of Research of the National Institute of Standards and Technology
By aiming a light beam into any substantial body of liquid ethane or methane, the SSP will attempt to record the index of refraction of the fluid, another indication of its density.
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Motter points out that as the difference in the index of refraction between the polymer layers increases, fewer layers are needed to attain the necessary level of reflectivity.
Novel decorative effects produced by multilayer sheet by Gabriele, Michael C. / Plastics Technology
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