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Physics · May / June 2022 · Paper 11 · Question 1

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. Alength: metre rule, diameter: metre rule
  2. Blength: metre rule, diameter: micrometer
  3. Clength: calipers, diameter: metre rule
  4. Dlength: calipers, diameter: micrometer

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Correct answer: B. length: metre rule, diameter: micrometer

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