The radius of the bore of a capillary tube is r and the angle of contact of the liquid is θ . When the tube is dipped in the liquid, the radius of curvature of the meniscus of liquid rising in the tube is

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r sinθ

r / sinθ

r cosθ

r / cosθ

answer is D.

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Detailed Solution

r/R=CosθR=r/cosθ

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