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PHYS 132 Lab Refraction

# PHYS 132 Lab Refraction - PHYS 132 Section 56 Individual...

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PHYS 132 Section 56 Individual Formal Report Standing Wave Resonances in Air Columns I. Purpose: To verify Snell’s Law, to determine the indices of refraction of different media, and to observe total internal reflection and determine the critical angle. II. Hypothesis: I believe that, when laser light is refracted through a transparent media it will refract in a predictable fashion. As the incident angle increases so should the refracted angle and vice versa. As theta increases for the incident angle (if we are going from the media to air) there will be some angle (the critical angle) in which all of the incident light experiences total internal reflection. If we plot the sines of the incident and refracted angles against each other, the result should be a linear relationship with the slope equal to the index of refraction. (Or the reciprocal depending on the plot) III. Equipment: 1. Laser 2. Protractor 3. Water 4. Lucite IV. Procedure: Part I: Determine the index of refraction and critical angle for water.

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PHYS 132 Lab Refraction - PHYS 132 Section 56 Individual...

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