Exam 12: Optical Images

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Two parallel mirrors are a distance d apart. An object is placed 1.0 inch in front of the right-hand mirror. After 5 reflections, with the first reflection from the right-hand mirror, an image is located 17 inches behind the right-hand mirror. Calculate the distance between the mirrors.

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The eyes of some people wearing glasses appear larger than normal. The glasses help the people to see

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The focal length of a converging lens that projects the image of a lamp, magnified 4 times, onto a screen 3.05 m from the lamp is approximately

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