PS6_2005 - 1. The following three thin lenses have an index...

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1. The following three thin lenses have an index of 1.5. 1) R 1 = 10 cm, R 2 = 2) R 1 = 20 cm, R 2 = -20 cm 3) R 1 = 5 cm, R 2 = 10 cm Calculate the following: a) Power for each lens (in diopters) b) Sketch each lens layout and give each an appropriate name. c) What is the shape factor for each lens? a) Power for each lens (in diopters) P lens_1 n g 1 1 .10 1 P lens_1 5 = P lens_2 n g 1 1 .20 1 .20 P lens_2 5 = P lens_1 n g 1 1 .05 1 .10 P lens_1 5 = b) Sketch each lens layout and give each an appropriate name. Plano Convex Equiconvex Meniscus c) What is the shape factor for each lens? Lens #1 R 1 .1 R 2 shapefactor R 1 R 2 R 2 R 1 shapefactor 1 = Lens #2 R 1 0.2 R 2 0.2 shapefactor R 1 R 2 R 2 R 1 shapefactor 0 = Lens #3 R 1 0.05 R 2 0.1 shapefactor R 1 R 2 R 2 R 1 shapefactor 3 =
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2. A negative thin lens has a back focal length of –100 mm and a diameter of 20 mm. a) Where is the image of a 5 mm object placed in front of the lens at 100 mm? b) What is its magnification?
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This note was uploaded on 09/01/2010 for the course OPTICS 201 taught by Professor Dereniak during the Spring '05 term at UConn.

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PS6_2005 - 1. The following three thin lenses have an index...

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