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KVPY Sample Paper KVPY Stream-SX Model Paper-1

  • question_answer
    A long cyclindrical drum is filled with water. Two small holes are made on the side of the drum as shown in the fig. Find the depth of the liquid in the drum if the ranges of water from the holes are equal.

    A) 0.3 m

    B) 0.5 m

    C) 0.7 m               

    D) 0.9 m

    Correct Answer: A

    Solution :

    \[{{(\text{Range})}_{1}}={{(\text{Range})}_{2}}\] \[\sqrt{2g\,(\ell -0.1)}\sqrt{\frac{2\times 0.1}{g}}=\sqrt{2g\,(\ell -0.2)}\sqrt{\frac{2\times 0.2}{g}}\] \[\ell =0.3\]                   


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