Experiment 10- Reflection and Refraction (A & B)

Experiment 10- Reflection and Refraction (A & B) -...

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Christian Lawrence Neha Manikonda Pritesh Patel Yasmine Hill 3/24/10 Instructor: Sonal Singh
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Abstract In this experiment, we were observing the law of reflection (θ i r ) and verifying it experimentally by using Snell’s law (n 1 sinθ 1 = n 2 sinθ 2 ) and the index of refraction (n= ) of how it affects transparent materials. The method we used to observe these laws was ray tracing. In the first part of the experiment, the percent difference between the d o and d i when comparing the Ray 1 and Ray 2 was 45.32%. The percent difference between the pin length and the image length was 9.17%. When rotated the mirror, the percent difference between Φ and 2Φ was 13.3%. The second part of the experiment we observed the index of refraction of a glass plate. The average n was 0.9699. This experiment proved to be useful in observing how the law of reflection applies to transparent material, and how Snell’s law (along with the index of refraction) is applied to transparent materials. Introduction Light is everywhere and can be both reflected and refracted. Reflection is the ability of light to bounce off surfaces and refraction is the ability of light to enter an object and then become somewhat bent from entering the object. This experiment followed the light’s characteristics by tracing the path of the light. Two general properties of light are refraction and reflection. The physical laws of can be observed through ray tracing. The law of reflection says that the when a light ray strikes a plane surface, the angle of incidence is equal to the angle of refraction. This essentially means that the image distance from the reflecting place surface is
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equal to the object distance from that same surface. Refraction is the change in direction when a
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Experiment 10- Reflection and Refraction (A & B) -...

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