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MGIMS WARDHA MGIMS WARDHA Solved Paper-2011

  • question_answer
    A steel ball is dropped from a height h and it makes a perfectly elastic collision with a horizontal plane. Following its initial release, it will make periodic motion with frequency

    A) \[2\pi \sqrt{\frac{g}{h}}\]                            

    B) \[2\pi \sqrt{\frac{h}{g}}\]

    C) \[\frac{1}{2}\sqrt{\frac{g}{2h}}\]                              

    D) \[\frac{1}{2}\sqrt{\frac{2h}{g}}\]

    Correct Answer: C

    Solution :

                     Time period of oscillation \[T'=2t=2\sqrt{\frac{2h}{g}}\] \[f=\frac{1}{T}=\frac{1}{2}\sqrt{\frac{g}{2h}}\]


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