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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An equiconvex lens is cut into two halves along (1) XOX’ adn (2) YOY” as shown in figure. Let f, f’, f” be the focal length of the lens, of each half in case (1) and of each half in case (2)

An equiconvex lens is cut into two halves along (1) XOX’ adn (2) YOY” as shown in figure. Let f, f’, f” be the focal length of the lens, of each half in case (1) and of each half in case (2)

An equiconvex lens is cut into two halves along (1) XOX' adn (2) YOY'' as shown in figure. Let f F f'' be the focal length of the lens of each half in case (1) and of each half in case (2)