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AIPMT 2003 Physics and Chemistry Paper

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Question : 19

Total: 100

A equiconvex lens is cut into two halves along (i) X′X′ 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

Choose the correct statement from the following-

f′=f,f′′=2f
f′=2f,f′′=f
f′=f,f′′=f
f′=2f,f′′=2f

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