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

  • question_answer
    A cylinder of height 20 m is completely filled with water. The velocity of efflux of water (in m/s) through a small hole on the side wall of the cylinder near its bottom is    [AIEEE 2002]

    A)            10  

    B)            20

    C)            25.5                                          

    D)            5

    Correct Answer: B

    Solution :

               \[v=\sqrt{2gh}=\sqrt{2\times 10\times 20}=20\,m/s\]


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