Incident Angle

Incident Angle - Randall Robert(9771 Jacob Porta(7090...

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Randall Robert (9771) Jacob Porta (7090) Optical Electronics Lab EE 4270 Experiment 2 Refraction Tuesday; September 13, 2005
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Introduction: Experiment 2, titled refraction, introduces the student to how light is bent as it passes through different materials. Figure 1: Assemble figure one by taping the protractor to the table and arrange the laser so that it generates a beam of light along the zero degree line, about 0.25” above the surface of the table. Put the Petri dish on the large circle, and fill it with water to which one drop of milk has been added. The milk will scatter some of the laser light, making the beam visible from above. The edge of the Petri dish should be perpendicular to the laser beam so that , and ’ are both zero, the figure below shows an actual measurement of an Ө Ө input angle of 69° and refracted angle of 45°. Figure 1
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From this point, once figure one has been prepared; reposition the laser so that the beam of light strikes the Petri dish in the same place, but at different angles of incidence, up to the larges angle possible. The incident angle and the refracted angle are below in table
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Incident Angle - Randall Robert(9771 Jacob Porta(7090...

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