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A symmetric doule convex lens is cut in ...

A symmetric doule convex lens is cut in two equal parts by a plane containing the pricipal axis. If the power of the original lens was 4D, the power of a cut lens will be

A

2D

B

3D

C

4D

D

5D

Text Solution

Verified by Experts

The correct Answer is:
A
Focal length is doubled, power is halved
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