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.