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14 Geometric Optics
Chapter Outline
14.1 IMAGES IN APLANEMIRROR
14.2 IMAGES IN ACONCAVEMIRROR
14.3 IMAGES IN ACONVEXMIRROR
14.4 IMAGES INDOUBLECONVEXLENSES
14.5 IMAGES INDOUBLECONCAVELENSES
14.6 REFERENCESWe’ve all seen the message, shown above, written on the side-view mirror of cars: “Objects in mirror are closer than
they appear.” Side-view mirrors are convex mirrors, which makes objects appear smaller, or farther away, then they
actually are. Some mirrors, such as those in your bathroom, display accurately sized images, while others create
images that are larger or smaller than reality. Lenses can be used to magnify or reduce images as well. This chapter
will introduce you to convex and concave mirrors, lenses, and the properties of each.