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 micrometer reading is $5.00\,\text{mm} \pm 0.01\,\text{mm}$. What is the percentage uncertainty in a calculation of the volume of the sphere from these values?

  • A$0.2\%$
  • B$0.4\%$
  • C$0.6\%$
  • D$1.2\%$

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