P219lecture17mirrors - Goal To understand how mirrors and...

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Goal: To understand how mirrors and lenses work Objectives: 1) To understand how Plane mirrors create an image 2) To understand how Convex Mirrors reflect light 3) To understand the properties of Concave Mirrors 4) To be able to calculate the Focal Length and Magnification of a lens or mirror 5) To understand the similarities of Lenses and Mirrors
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Plane mirrors These are the sort of mirrors you find in a bathroom. They are straight and flat.
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Convex mirrors Convex Mirrors curve away from you.
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Concave Mirrors Convex mirrors curve towards you
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Some basic properties Object distance. This is denoted as p. This is the physical distance the object is away from the mirror. Radius of Curvature (C) is what the radius of a mirror would be if it was an entire sphere.
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Image distance and focal length This is the distance the image appears to be away from the mirror (denoted q). Focal length (denoted f) is the distance from the mirror to the focal point (where all the light would come together for a light source very far away).
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