If f1 and f2 are the distances from the optical center of a convex len – McqOptions

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1.	If f1 and f2 are the distances from the optical center of a convex lens of focal length f to conjugate two points P1 and P2 respectively, the following relationship holds good
A.	f = f1 + f2
B.	f = (f1 + f2)
C.	1/ f1 + 1/ f2
D.	none of these.
Answer» D. none of these.

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