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Unformatted text preview: be negative if the object is an image from another mirror or a lens). q: positive for images on the real side, negative for images on the virtual side. h: positive when erect, negative when inverted. Sign Conventions for Lenses: R: positive for convex surfaces (r is on transmitted side), negative for concave surfaces (r is on incident side). f: positive for converging lenses, negative for diverging lenses. p: positive if on the incident side of the lens, negative if on the transmitted side of the lens (can only be negative if the object is an image from another lens or mirror). q: positive if on the transmitted side of the lens, negative if on the incident side of the lens. h: positive when erect, negative when inverted. ConvexConcave Lenses Converging: Double Convex ConvexConcave PlanoConvex Diverging: Double Concave PlanoConcave (nearsighted lens)...
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 Fall '08
 Cheng
 Physics, focal point, Geometrical optics

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