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Radius of curvature of a plano-convex le...

Radius of curvature of a plano-convex lens of focal length 0.2 m made up of glass of refractive index 1.5 is :

A

0.2 m

B

0.1 m

C

2.5 m

D

0.4 m.

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The correct Answer is:
B
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