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

  • question_answer
    The time period of a second's pendulum is 2 sec. The spherical bob which is empty from inside has a mass of 50 gm. This is now replaced by another solid bob of same radius but having different mass of 100 gm. The new time period will be                                                         [NCERT 1972]

    A)            4 sec                                        

    B)            1 sec

    C)            2 sec                                        

    D)            8 sec

    Correct Answer: C

    Solution :

               \[T=2\pi \sqrt{\frac{l}{g}}\] (Independent of mass)


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