Q. A biconcave lens of power P vertically splits into two identical plano concave parts. The power of each part will be
(a) 2P (b) P/2 (c) P (d) P/√2
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answer : option (b) P/2
answer : option (b) P/2now when biconcave lens vertically splits into two identical plano concave parts. as we know power of lens is inversely proportional to focal length. therefore, power of each part is P/2.
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