Experiments in Physics Lab Snell's Law and total internal reection Name Score Introduction: When light travels between two different medium, the velocity and wavelength changes.
Experiments in Physics Lab Snell's Law and total internal reection Name Score Introduction: When light travels between two different medium, the velocity and wavelength changes. The result is the \"bending\" of the light. The \"bending" of light is referred to as refraction. The \"bending" follows a convenient mathematical relationship called Snell's law, named after Dutch astronomer Willebrord Snellius (1580-1626). The purpose of this lab is to determine the relationship between the incident angle of a light beam and the refracted angle of the light beam as the beam passes from one medium to another. In addition, students will demonstrate the application of Snell's Law. As consequence, students will be able to determine the critical angle for a light beam that travels from a more dense medium to a less dense medium. Bending Light Part I: Discovering Snell's Law with \"Bending Light 1.1.1" (1} Start the PHeT simulation entitled \"Bending Light\". The simulation is available at the following website: ' httpszitphetcoloradocduf (2} Click on the \"More Tools\" box. More TOOIS (3) Turn on the laser and drag the circular protractor such that the protractor is centered along the normal line and the boundary between the two mediums. Also, drag the speed indicator tool out from the tools located at the lower left of the simulation. The laser can be dragged to change the incident angle. Play with the simulation and try changing some of the different parameters. Make sure to select \"Ray\" and check the \"Angles\" box. The top area, the air, is considered medium 1. Index of refraction = 11,: air (default setting) 6, = incident angle measured from the normal (dashed line) 0' = refracted angle measured from the normal
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