A symmetric double convex lens is cut in two equal parts by a plane pe – McqOptions

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1.	A symmetric double convex lens is cut in two equal parts by a plane perpendicular to the principal axis. If the power of the original lens was 4 D, the power of a cut lens will be [MP PMT 1999]
A.	2 D
B.	3 D
C.	4 D
D.	5 D
Answer» B. 3 D

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