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An equiconvex lens of focal length20 cm ...

An equiconvex lens of focal length20 cm is cut into two equal halves perpendicular to the principal axis and kept at a separation of 10 cm co-axially. What ils the focal length of the system?

A

35 cm

B

20 cm

C

22.9 cm

D

15 cm

Text Solution

Verified by Experts

The correct Answer is:
C
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