Physics 9702 · AS & A Level · Errors and uncertainties

Errors and uncertainties — practice question

A micrometer screw gauge is used to determine the diameter of a small, uniform steel sphere. The diameter is measured as $5.00\,\text{mm} \pm 0.01\,\text{mm}$. Using these values, what percentage uncertainty is there in the calculated volume of the sphere?

  • A0.2%
  • B0.4%
  • C0.6%
  • D1.2%

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