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Physics (AS & A Level) · May / June 2024 · Paper 13 · Question 2

9702Errors and uncertainties

The measurement of a physical quantity may be subject to random errors and to systematic errors. Which statement is correct?

  1. AA systematic error cannot be reduced by adjusting the apparatus.
  2. BA systematic error results in a different reading each time the measurement is taken.
  3. CRandom errors are always caused by the person taking the measurement.
  4. DRandom errors can be reduced by taking the average of several measurements.

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Correct answer: D. Random errors can be reduced by taking the average of several measurements.

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