Question

A man has a shaving mirror of focal length 0.2 m. How far should the mirror be held from his
order to give an image of two fold magnification ?​

Answer 1

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Explanation:

how far should the mirror be held from his face in order to give an image of two fold magnification? Hello Dear. ⇒ u = - 0.1 m. Hence, the Man is standing at the Distance of 0.1 m or 10 cm from the Shaving Mirror