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For a pendulum in undamped oscillation, with a bob of mass  and radius  r, with a string of kngth  l. What is the time period?

  1. T equals 2 pi square root of l over g end root
  2. T depends on m
  3. T greater than 2 pi square root of l over g end root
  4. T less than 2 pi square root of l over g end root

The correct answer is: T greater than 2 pi square root of l over g end root

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