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  5. Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन

JEE Main & Advanced Physics Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन Question Bank Surface Tension

  • question_answer
    Consider a liquid contained in a vessel. The liquid solid adhesive force is very weak as compared to the cohesive force in the liquid. The shape of the liquid surface near the solid shall be                                 [MNR 1994]

    A) Horizontal       

    B)             Almost vertical

    C)             Concave

    D)                      Convex

    Correct Answer: D

    Solution :

                    Cohesive force > Adhesive force, so shape of liquid surface near the solid would be convex. For example mercury surface in glass capillary is convex.


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