Banking Physics Thermal Properties of Matter / द्रव्य के तापीय गुण Question Bank Properties of Matter

  • question_answer
    A water tank of height 10m, completely filled with water is placed on a level ground. It has two holes one at 3 m and the other at 7 m from its base. The water ejecting from

    A)  both the holes will fall at the same spot  

    B)  upper hole will fall farther than that from the lower hole

    C)  upper hole will fall closer than that from the lower hole

    D)  more information is required

    Correct Answer: A

    Solution :

     Velocity of water from hole \[A={{V}_{1}}=\sqrt{2gh}\] Velocity of water from hole B\[={{V}_{2}}=\sqrt{2g({{H}_{0}}-h)}\] Time of reaching the ground from hole B=\[{{t}_{1}}=\sqrt{2({{H}_{0}}-h)/g}\] Time of reaching the ground from hole A = \[{{t}_{2}}=\sqrt{2h/g}\]


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