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

  • question_answer
    A vessel, whose bottom has round holes with diameter of 0.1mm, is filled with water. The maximum height to which the water can be filled without leakage is (S.T. of water =75 dyne/cm, g =1000 cm/s2) [CPMT 1989; J&K CET 2004]

    A) 100 cm

    B)                       75 cm

    C)             50 cm 

    D)             30 cm

    Correct Answer: D

    Solution :

                    \[h=\frac{2T}{rdg}=\frac{2\times 75}{0.005\times 1\times {{10}^{3}}}=30cm\]


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