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Physics (AS & A Level) · May / June 2024 · Paper 11 · Question 6

9702Errors and uncertainties

A thermometer can be read to an accuracy of ±0.5°C. This thermometer is used to measure a temperature rise from 40°C to 100°C. What is the percentage uncertainty in the measurement of the temperature rise?

  1. A0.5%
  2. B0.8%
  3. C1.3%
  4. D1.7%

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Correct answer: D. 1.7%

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