Snell's Law Lab Report

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Physics and Engineering 2 Labs
Laboratory Report
Lab 10: Basic Optics
Aleksei Kim
Aibat Zhakeyev
Alisher Urazbekov

Experiment 1: Reflection
Abstract:
Procedure: The light source is placed on a blank sheet of paper and turned the wheel to select a single ray. In front of the ray we place the mirror on the paper. We need to see the incident and reflected rays, that is why we place the plane surface of the mirror in the path of the incident ray at an appropriate angle. On the paper, trace and label the surface of the plane mirror and the incident and reflected rays. Indicate the incoming and the outgoing rays with arrows in the appropriate directions. Then we need to draw the normal surface to the light source and mirror. Measure the angle
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We can to find the angles of incidence and refraction and use Snell’s Law to identify the index.
Theory:
[2]Snell's law gives the relationship between angles of incidence and refraction for a wave impinging on an interface between two media with different indices of refraction. The law follows from the boundary condition that a wave be continuous across a boundary, which requires that the phase of the wave be constant on any given plane, resulting in n1sin θ1 = n2sin θ2, where and are the angles from the normal of the incident and refracted waves, respectively.
Procedure:
The light source is placed on a blank sheet of paper and turned the wheel to select a single ray. In front of the ray we place the trapezoid on the paper. Mark the position of the parallel surfaces of the trapezoid and trace the incident and transmitted rays. Indicate the incoming and the outgoing rays with arrows in the appropriate directions. Carefully mark where the rays enter and leave the trapezoid. Draw a line where the ray enter and leave the trapezoid. This line is the ray inside the trapezoid. At the point, where the ray enters or leaves, draw a normal line. Find the angle of incidence and refraction with a protractor form the normal. Finally, repeat the 2-6 steps with different angle of

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