Physics 9702 · AS & A Level · Errors and uncertainties

Errors and uncertainties — practice question

A micrometer screw gauge is employed 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 sphere’s volume, using these values?

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

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