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NEET Sample Paper NEET Sample Test Paper-11

  • question_answer
    A simple pendulum of period T has a metal bot which is negatively charged. If it is allowed to oscillate above a positively charged metal plate its period will

    A)  remains equal to T

    B)  less than T

    C)  greater than T

    D)  infinite

    Correct Answer: B

    Solution :

     When a negatively charged pendulum oscillate over a positively charged plate, then effective value of g increases so according to \[T=2\pi \sqrt{\frac{l}{g}},T\] decreases.


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