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

  • question_answer
    When the temperature is increased the angle of contact of a liquid                  [AIIMS 1980]

    A) Increases

    B)                      Decreases

    C)             Remains the same      

    D)                 First increases and then decreases

    Correct Answer: B

    Solution :

                    Cohesive force decreases so angle of contact decreases.


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