The time period of oscillation of a simple pendulum having length L and mass off the bob m is given as T. If the length of the pendulum is increased to 4L and the mass of the bob is increased to 2m, then which one of the following is the new period of oscillation?

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The time period of oscillation of a simple pendulum having length L and mass off the bob m is given as T. If the length of the pendulum is increased to 4L and the mass of the bob is increased to 2m, then which one of the following is the new period of oscillation?






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