A simple pendulum makes 50 oscillations in one minute. What is its period of oscillation?

  • A 0.02s
  • B 0.20s
  • C 0.83s
  • D 1.20s
  • E 50.00s
waec 1990physics

The correct answer is D. 1.20s

T = t/no. of oscillation = 1 x 60/50 = 1.2s

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