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Physics (AS & A Level) · May / June 2025 · Paper 11 · Question 2

9702Errors and uncertainties

Four students, A, B, C and D, have completed an experiment to determine the acceleration of free fall, g. Each student repeated the experiment three times. The determined values of g are shown in the table. Which set of results has a high precision and a low accuracy?

  1. A7.2, 9.4, 8.3
  2. B9.5, 9.8, 10.2
  3. C9.8, 9.8, 9.9
  4. D10.1, 10.2, 10.1

As printed in the paper

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Correct answer: D. 10.1, 10.2, 10.1

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