In a plano convex lens, the radius of curvature of the convex iens is 10 cm, if the plane side is polished , then the focal length is (Refractive index=1.5)

20.5 c m

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10 c m

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15.5 c m

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5 c m

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Solution

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

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Similar questions

Q. In a plano convex lens the radius of curvature of the convex lens is

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. If the plane side is polished, then the focal length will be
(Refractive index

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If in a plano-convex lens radius of curvature of convex surface is 10 cm and the focal length of the lens is 30 cm, the refractive index of the material of the lens will be:

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10 c m

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In a plano convex lens, the radius of curvature of the convex iens is 10 cm, if the plane side is polished , then the focal length is (Refractive index=1.5)

The correct option is B 10cmOption B is correct

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