Lab2(1) - Geometric Optics: Lenses 1 Introduction In this...

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Unformatted text preview: Geometric Optics: Lenses 1 Introduction In this experiment, we will continue to explore geometrical optics by studying the optics of simple curved mirrors and lenses. 2 Background - see Pedrotti 3 , Sections 2-6 to 2-9 When studying the geometrical optics of mirrors or lenses one considers the following three quantities: object distance , image distance , and focal length . These quantities are related by the equation 1 + 1 = 1 (1) There is a convention to be followed in the definition of these quantities. For lenses, a converging lens (convex) has > 0 while a diverging lens (concave) has < 0. For mirrors, > 0 for concave mirrors, and < 0 for convex mirrors. Also by convention, we place the object to the left of the lens, with > 0. If > 0, it is on the right of the lens and is a real image. If < 0 it is to the left of the lens (same side as object) and is a virtual image. One can consider the mirror as a folded over version of the lens: virtual image....
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This note was uploaded on 12/29/2011 for the course PHYSICS 375 taught by Professor Eno during the Spring '11 term at Maryland.

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Lab2(1) - Geometric Optics: Lenses 1 Introduction In this...

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