Re ection and Refraction Objective Equipment List ...

Reflection and RefractionObjectiveIn this set of experiments, reflection and Refraction of light will be studied. For reflection, exper-iments will be done to determine if the angle of reflection is equal to the angle of incidence for abeam of light incident on a flat surface. For Refraction , Snell s Law will be ListLaser pointer, a lab-jack, an optics kit which includes: a ray table, a flat reflecting surface, and asemicircular Plexiglas lens, chalky BackgroundHow light moves through space has been a question in physics for hundreds of years. In this labexercise, light can be approximated as travelling in straight lines, or rays, from a light source. Inmoving through space, these light rays can interact with matter in two ways, a light ray shines on a smooth flat surface, then at least part of the ray will bounce off ofthe surface, or be reflected. If the angle of incidence, incident, is measured with respect to a lineperpendicular to the surface (known as thenormal), then the angle of incidence is equal to thereflected angle.

Re ection and Refraction 3 In this equation, n i is the index of refraction of the incident medium, n r is the index of refraction of the refraction medium, and critical is the critical angle for total internal re ection. You will test these relationships in this set of experiments using a laser pointer as the source of

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