The magnification of an object in front of convex lens is +2. The foca – InterviewSolution

1.	The magnification of an object in front of convex lens is +2. The focal length of the lens is 2.0 metres. Find the distance by which object has to be moved to obtain a magnification of −2 (in metres).
Answer» The magnification of an object in front of convex lens is $+ 2$ . The focal length of the lens is $2.0$ metres. Find the distance by which object has to be moved to obtain a magnification of $- 2$ (in metres).

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