Physics 22 Lab 3

Physics 22 Lab 3 - Jeffrey Birenbaum Physics 22 Lab #3 Lab:...

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Jeffrey Birenbaum Physics 22 Lab #3 Lab: Optics 10/1/11 Introduction: In the third lab of this semester, we did five different set-ups to illustrate the idea of standing waves. Each trial tested a different dynamic of standing waves; we started with a tank filled with water to measure the index of refraction. This was used to calculate the index of refraction of water and compare it to the known value of the index of refraction of water. Then, we tested a cylindrical lens to measure the angle of refraction from air to glass. After, we measured the angle of refraction from glass to air using the same lens but with the lens’ cylindrical edge facing the laser. Fourth, we took the cylindrical lens and rotated it until the refracted ray disappeared. Finally, we did a simple double-slit experiment where we measured the distance between bright spots and calculated the wavelength of the laser. These experiments were used to gauge the refraction of light through different mediums and to experiment with the qualities of light. Index of Refraction of Water Procedure: First, we filled the tank with water and placed the metal slit at an arbitrary position at the rear of the tank. Second, we moved the index arm to match up with the etched line on the
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This note was uploaded on 11/17/2011 for the course PHYSICS 2012 taught by Professor Franklee during the Fall '11 term at GWU.

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Physics 22 Lab 3 - Jeffrey Birenbaum Physics 22 Lab #3 Lab:...

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