In the displacement method, a convex lens is placed in between an obje – InterviewSolution

1.	In the displacement method, a convex lens is placed in between an object and a screen. If the magnifications in the two positions are m1 and m2 and the displacement of the lens between the two positions is x, then the focal length of the lens is
Answer» In the displacement method, a convex lens is placed in between an object and a screen. If the magnifications in the two positions are $m_{1}$ and $m_{2}$ and the displacement of the lens between the two positions is x, then the focal length of the lens is

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