Experiment 8 Mark Sawh

Experiment 8 Mark Sawh - Experiment 8 Reflection,...

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Experiment 8 Reflection, Refraction, and Total Internal Reflection Mark Sawh Date Preformed 10/20/09 Date Due 10/27/09
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Purpose 1. To study the laws of reflection, refraction, and total internal reflection. 2. Measure the focal lengths of the mirror with convex and concave surfaces. 3. Measure the index of refraction of water. Theory Most objects reflect a certain portion of light falling on them. The Law of Reflection describes the behavior of the incident and reflected ray. In the Law of Reflection, the incident ray, the reflected ray, and the normal to the surface all lie in the same plane, called the plane of incidence, and the angle of reflection θr equals the angle of incidence θa . o = θr θa In Snell’s Law of Reflection light travels form a material with refractive index na into a material with refractive index nb , the refracted ray, the incident ray, and the normal to the interface between the materials all lie in the same plane. The angle of refraction θb , is related to the angle of incidence, θa , by o = nasinθa nbsinθb Total Internal Reflection is when light passes through a medium of large
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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 8 Mark Sawh - Experiment 8 Reflection,...

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