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A plano-convex lens of refractive index ...

A plano-convex lens of refractive index 1.5 and radius of curvature 30 cm is silvered at the curved surface. Now, the lens has been used to form the image of an object. What should be the distance of the object from the lense in order to have a real image of the size of the object?

A

20 cm

B

30 cm

C

60 cm

D

80 cm

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The correct Answer is:
A
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