JEE Main & Advanced Physics Simple Harmonic Motion Question Bank Simple Pendulum

  • question_answer
    The period of a simple pendulum is doubled, when                                         [CPMT 1974; MNR 1980; AFMC 1995; Pb. PET/PMT 2002]

    A)            Its length is doubled

    B)            The mass of the bob is doubled

    C)            Its length is made four times

    D)            The mass of the bob and the length of the pendulum are doubled

    Correct Answer: C

    Solution :

               \[T=2\pi \sqrt{\frac{l}{g}}\] Þ \[T\propto \sqrt{l}\]


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