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Physics · May / June 2026 · Paper 12 · Question 1

5054Physical quantities and measurement techniques

What is the most accurate method to determine the period of an oscillating pendulum?

  1. AUse a digital timer to measure the time for 1 period. Repeat this 10 times and calculate the average.
  2. BCount the number of complete oscillations in 10 seconds. Divide by 10.
  3. CUse a digital timer to measure the time for 1 period.
  4. DUse a digital timer to measure the time for 10 complete oscillations. Divide by 10.

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Correct answer: D. Use a digital timer to measure the time for 10 complete oscillations. Divide by 10.

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