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

  • question_answer
    The period of oscillation of a simple pendulum of constant length at earth surface is T. Its period inside a mine is                    [CPMT 1973; DPMT 2001]

    A)            Greater than T                    

    B)            Less than T

    C)            Equal to T                              

    D)            Cannot be compared

    Correct Answer: A

    Solution :

                       Inside the mine g decreases hence from \[T=2\pi \sqrt{\frac{l}{g}}\]; T increase


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