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

  • question_answer
    A water drop takes the shape of a sphere in a oil while the oil drop spreads in water, because

    A) C.F. for water > A.F. for water and oil

    B)             C.F. for oil > A.F. for water and oil

    C)             C.F. for oil < A.F. for water and oil

    D)             None of the above (A.F. = adhesive force C.F. = cohesive force)

    Correct Answer: A

    Solution :

       


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