An equi-convex lens has power P. It is cut into four symmetrical piece – InterviewSolution

1.	An equi-convex lens has power P. It is cut into four symmetrical pieces as shown with (A,B,C and D). Then all the four parts are arrangement as shown in the figure (ii). The focal length of the combination.
Answer» An equi-convex lens has power $P$ . It is cut into four symmetrical pieces as shown with $(A, B, C$ and $D) .$ Then all the four parts are arrangement as shown in the figure (ii). The focal length of the combination.

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