An object is placed to the left of a lens and a real image, Ask an Expert

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An object is placed to the left of a lens, and a real image is formed to the right of the lens. The image is inverted relative to the object and is one-half the size of the object. The distance between the object and the image is 46.8 cm.

(a) How far from the lens is the object?

do =

(b) What is the focal length of the lens?

f =

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