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

  • question_answer
    The temperature at which the surface tension of water is zero

    A)             \[0{}^\circ C\]          

    B)             277 K

    C)             \[370{}^\circ C\]

    D)                      Slightly less than 647 K

    Correct Answer: C

    Solution :

         At critical temperature (\[{{T}_{c}}={{370}^{o}}C=643\ K\]), the surface tension of water is zero.


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