Question: The distance between an object and its real image, formed by a converging lens, is held fixed. Show that there are two possible positions for


The distance between an object and its real image, formed by a converging lens, is held fixed. Show that there are two possible positions for the lens, and that the size of the object is given by (h1h2)1/2 where h1 and h2 are the sizes of the two images.

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Let us put f for the focal length of the lens and u and v for the object and image distances respect... View full answer

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