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

  • question_answer
    If two identical mercury drops are combined to form a single drop, then its temperature will                [RPET 2000]

    A) Decrease         

    B)             Increase

    C)             Remains the same      

    D)             None of the above

    Correct Answer: B

    Solution :

                    Surface energy of combined drop will be lowered, so excess surface energy will raise the temperature of the drop.


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