Reflection

Reflection - Reflection, Refraction, and Polarization...

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Reflection, Refraction, and Polarization Section 422, B.J. Anderson Stephen Harper Partner: Sarah Bass Tuesday, October 11, 2005 “The work presented in this report is my own, and the data were obtained by my lab partners and myself during the lab period.”
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Abstract: The purpose of this lab was to study reflected and refracted way and to experimentally determine the index of refraction for an acrylic substance. In all three parts, an HeNe laser was used along with a cylindrical lens, ray plate, and acrylic disk. In Part I, the index of refraction was found by comparing angle of incidence to angle of refraction. This value was 1.48 ± 0.01. In Part II, the index of refraction was found by finding the critical angle. This value was 1.44 ± 0.07. In Part III, the index of refraction was found by finding Brewster’s angle. This value was 1.53 ± 0.06. All three parts agreed with the accepted value of 1.49 to within uncertainties. Data Analysis and Results: Part I: Table I. Angle of incidence, Refraction 1 and Refraction 2 . Angle of Incidence Refraction 1 Refraction 2 10° 20° 13° 14° 30° 19° 20° 40° 25° 26° 50° 31° 32° 60° 35° 36° 70° 39° 40° 80° 41° 42° The refracted beam began to thicken at close to a 70° angle of incidence, making
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This note was uploaded on 11/27/2011 for the course PHYS 105 taught by Professor Walker during the Fall '08 term at UNC.

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Reflection - Reflection, Refraction, and Polarization...

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