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Kartik Sharma • 7.98K Points
Tutor III

Q. A simple pendulum takes 42 sec. to complete 20 oscillations. What is its time period?

  • (A) 2.1 s
  • (B) 4.2 s
  • (C) 21 s
  • (D) 8.40 s
Correct Answer - Option (A)
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