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For a plane convex lens (mu= 1.5) has r...

For a plane convex lens `(mu= 1.5)` has radius of curvature 10 cm. It is slivered on its plane surface. Find focal length after silvering:

A

10 cm

B

30 cm

C

25 cm

D

35 cm

Text Solution

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The correct Answer is:
A
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