A symmetric thin biconvex lens is cut into four equal parts by two...

A symmetric thin biconvex lens is cut into four equal parts by two planes

A B

and

C D

as shown in figure. If the power of original lens is 4 D then the power of a part of the divided lens is A symmetric thin biconvex lens is cut into four equal parts by two planes A B and C D as shown in figure. If the power

A symmetric thin biconvex lens is cut into four equal parts by two planes A B and C D as shown in figure. If the power

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Correct answer

C. 2D

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