reflection lab

reflection lab - Introduction When a beam of light comes in...

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Introduction: When a beam of light comes in contact with a surface, some of the beam is reflected due to the oscillating electrons in the surface of the material. This experiment will prove the law of reflection, which states that the angle of incidence is equal to the angle of reflection. Θ i = Θ r However, Snell’s Law, which also will be proven in this experiment, states that when light is able to propagate in the second medium it is found that the direction of the light beam changes: n 1 sinΘ 1 = n 2 Θ 2 Where n 1 and n 2 are the indices of refraction of medium 1 and medium 2, and Θ 1 , and Θ 2 are incident and refracted angles measured from the normal to the interface of the two mediums. Procedure: In performance of this experiment start by turning on the laser and adjusting the base so that part of the laser is hitting the paper on the base and part is able to hit the center point of the medium that is placed on the base. Place the medium on the base and align the center of the medium with the center rotational point of the base. Now direct the laser through the medium and record the angle of refraction.
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reflection lab - Introduction When a beam of light comes in...

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