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UPSC Physics Fluid Mechanics, Surface Tension & Viscosity / द्रव यांत्रिकी, भूतल तनाव और चिपचिपापन Question Bank Force of Gravity, Solids and Fluids

  • question_answer
          The tendency of a liquid drop to contract and occupy minimum area is due to:                                   [IAS Prelim]

    A) surface tension   

    B)     viscosity

    C) density           

    D)      vapour pressure

    Correct Answer: A

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