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PS6_2005

# 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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