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An equiconvex lens is cut into two halve...

An equiconvex lens is cut into two halves along (i) XOX' and (ii) YOY' as shown in the figure. Let f, f ', f " be the focal lengths of the complete lens, of each half in case (i), and of each half in case (ii), respectively.

Choose the correct statement form the following.

A

f'=2f, f'=f

B

f'=f, f''=f

C

f'=2f, f''=2f

D

f'=f, f'=2f

Text Solution

Verified by Experts

The correct Answer is:
D
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