Experiment 10 Mark Sawh

Experiment 10 Mark Sawh - Experiment 10 Dispersion from a...

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Unformatted text preview: Experiment 10 Dispersion from a Prism and the Index of Refraction of the Prism Mark Sawh Date Preformed 11/03/09 Date Due 11/10/09 Purpose To study the dispersion spectrum from a prism. To measure the index of refraction (n) using Snells Law, minimum deviation from a prism, total internal reflection, Brewsters angle and apparent depth. Theory When a monochromatic light beam in air, obliquely incident on the surfaceof a transparent medium, is refracted and deviated from its original didrection in accordance with Snells law: o = n sin2sin1 If the incident light is not monochromatic, each component wavelength (color) is refracted differently because the wave speed is slightly different for different wavelengths in a medium. The dependence of the wave speed (or the index of refraction) on the wavelength is called dispersion. The frequency of a wave is unchanged when it propagates from one medium into another. The index of refraction is slightly different for different wavelengths....
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This note was uploaded on 09/03/2011 for the course PHY 2049L taught by Professor Chen during the Spring '11 term at FAU.

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Experiment 10 Mark Sawh - Experiment 10 Dispersion from a...

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