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JEE Main & Advanced Physics Simple Harmonic Motion Question Bank Acceleration of Simple Harmonic Motion

  • question_answer
    If a hole is bored along the diameter of the earth and a stone is dropped into hole                                           [CPMT 1984]

    A)            The stone reaches the centre of the earth and stops there

    B)            The stone reaches the other side of the earth and stops there

    C)            The stone executes simple harmonic motion about the centre of the earth

    D)            The stone reaches the other side of the earth and escapes into space

    Correct Answer: C

    Solution :

               The stone execute S.H.M. about centre of earth with time period \[T=2\pi \sqrt{\frac{R}{g}};\] where R = Radius of earth.


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