focal length of a convex lens is 100cm. it is cut into two halves in such a way that they become two same plano-convex lenses. what will be the focal length of each individual part?

Asked by  | 11th Jan, 2012, 09:46: PM

Expert Answer:

focal length  of A :say f: then the focal length of B will be double than that of A.
???

Answered by  | 12th Jan, 2012, 12:29: PM

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