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Dispersion of Light

The radius of...

Question

The radius of curvature of a thin plano-convex lens is $10 c m$ (of curved surface) and the refractive index is $1.5$ . If the plane surface is silvered, then the focal length will be

A

15 c m

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B

20 c m

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C

5 c m

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D

10 c m

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Solution

The correct option is D $10 c m$
Option D is correct

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