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Unformatted text preview: third diagram. At a rotation angle of 210 . 000 ◦ , the laser beam is once again reFected exactly back on itself. ²rom this information, calculate, showing all work, the apex angle of the prism (in degrees) and the index of refraction of the prism. Express your answer accurately to four signi±cant ±gures. Put your answer in the space provided below. Apex Angle of Prism = deg Index of Refraction of Prism = Refractive Index by Rotating Prism Method Minimum deviation δ = 16 . 161 ◦ Apex angle of prism φ = 210 ◦180 ◦ = 30 ◦ Refractive index of prism n = sin ( φ + δ 2 ) sin φ 2 therefore n = 1 . 51466...
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This note was uploaded on 04/29/2008 for the course ECE 4500 taught by Professor Gaylord during the Spring '08 term at Georgia Tech.
 Spring '08
 Gaylord

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