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

  • question_answer
    A simple pendulum executing S.H.M. is falling freely along with the support. Then

    A)            Its periodic time decreases

    B)            Its periodic time increases

    C)            It does not oscillate at all

    D)            None of these

    Correct Answer: C

    Solution :

                       \[=\frac{2}{3}l\]; for freely falling system effective \[g=0\]                    so \[T=\infty \]or n = 0            It means that pendulum does not oscillate at all.


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