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Physics · May / June 2022 · Paper 12 · Question 2

5054Physical quantities and measurement techniques

A length of copper wire is labelled: length 0.50 m and diameter 0.50 mm. Which instruments are most suitable to measure accurately the length and the diameter of the wire?

  1. Ametre rule / metre rule
  2. Bmetre rule / micrometer
  3. Ccalipers / metre rule
  4. Dcalipers / micrometer

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Correct answer: B. metre rule / micrometer

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