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01149_Thin Lenses (P6).txt
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1995-12-08
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Problem:
A dog is standing in front of a converging lens with focal length 1m. She is positioned 35 cm from the center of the lens.
(5) Is this lens concave or convex?
Converging lenses are convex or biconvex (both surfaces are convex in a biconvex lens).