Question: In order to read his book, Stephen uses a pair of reading glasses. When he holds the book at a distance of 25 cm from

In order to read his book, Stephen uses a pair of reading glasses. When he holds the book at a distance of 25 cm from his eyes, the glasses form an upright image a distance of 52 cm from his eyes.
(a) Is this a converging or diverging lens?
(b) What is the magnification of the lens?
(c) What is the focal length of the lens?

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