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NEET Sample Paper NEET Sample Test Paper-40

  • question_answer
    Two balls are dropped from heights h and 2h respectively from the earth surface. The ratio of time of these balls to reach the earth is

    A) \[1:\sqrt{2}\]                 

    B) \[\sqrt{2}:1\]

    C)  2 : 1                            

    D)  1 : 4

    Correct Answer: A

    Solution :

     \[t=\sqrt{\frac{2h}{g}}\Rightarrow \frac{{{t}_{1}}}{{{t}_{2}}}=\sqrt{\frac{{{h}_{1}}}{{{h}_{2}}}}=\sqrt{\frac{1}{2}}=\sqrt{\frac{1}{2}}\]


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