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6. A 2.0 cm tall object is 15 cm in front of a converging lens that has a 20 cm focal
length.
(a) Use ray tracing to find the position and height of the image. To do this accu-
rately, use a ruler or a paper with a grid. Determine the image distance and image
height by making measurements on your diagram.
(b) Calculate the image position and height. Compare with your ray-tracing an-
swers in part a.

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