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 steel sphere of uniform composition. The micrometer reading is $5.00\ \text{mm} \pm 0.01\ \text{mm}$. What is the percentage uncertainty in a calculation of the sphere’s volume, using these values?

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

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