MCQ
Time period of a simple pendulum will be double, if we
  • A
    Decrease the length 2 times
  • B
    Decrease the length 4 times
  • C
    Increase the length 2 times
  • Increase the length 4 times

Answer

Correct option: D.
Increase the length 4 times
d
(d)$T \propto \sqrt l $

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