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PHY1033C_Refraction_Lab - PHY1033C Fall 2010 Lab#3 How does...

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PHY1033C Fall 2010 Lab#3 How does Light Refract? Safety First! The laser used in this experiment is “safe”, but DO NOT shine its light into your or anyone else’s eye. Goal: To measure the refraction of light when it passes from air to Plexiglass and back to air. Part A : One interface that bends light Materials: Laser Light Box, Plexiglass semi-circle, Protractor Procedure: Setup the equipment as shown in the sketch on the following sheet. Use the single laser setting on the light box so it produces one narrow beam of light. Position the light box so that the light is directed along the normal line toward point O. Place the Plexiglass semi-circle on the lab sheet over its outline with the flat surface facing the light box. Mark the line the light makes when it exits the Plexiglass along the normal (the light should pass straight through the slab of plastic with no change in direction). While being careful not to move the Plexiglass semi-circle, line up the laser along the AO line.
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