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What is the focal length of the lens in cm

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Reference no: EM132591589

1. You have a converging (convex) lens and a diverging (concave) lens and the magnitude of the focal length of each lens is 44.4 cm.Determine how far from the lens you should locate the screen in order to produce an image of the light bulb that is magnified by a factor of 1.55. (Answer in m)

2. A lens is needed to provide an image with a height of -6.80 cm. The object is a person who is 1.60 m tall standing 7.1 m away from the lens.  What is the focal length of the lens in cm?

Reference no: EM132591589

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