Sahay Sir > Question Answers > NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions > Physics > Chapter 32 - Ray Optics > An equiconvex lens is cut into two halves along (i)XOX′ and (ii)YOY′ as shown in the figure. Let f,f′f′′ be the focal lengths of the complete lens, of each half in case (i) and of each half in case (ii) respectively

An equiconvex lens is cut into two halves along (i)XOX′ and (ii)YOY′ as shown in the figure. Let f,f′f′′ be the focal lengths of the complete lens, of each half in case (i) and of each half in case (ii) respectively

An equiconvex lens is cut into two halves along (i)XOX′ and (ii)YOY′ as shown in the figure. Let f f′f′′ be the focal lengths of the complete lens of each half in case (i) and of each half in case (ii) respectively