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JEE Main & Advanced Physics Elasticity Question Bank Numerical Value Type Questions - Properties of Matter

  • question_answer
    An open capillary tube is lowered in a vessel with mercury. The difference between the levels of the mercury in the vessel and in the capillary tube\[\Delta h=4.6mm\]. What is the radius (in cm) of curvature of the mercury meniscus in the capillary tube? Surface tension of mercury is 0.46 N/m, density of mercury is 13.6 gm/cc.

    Answer:

    0.15


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