Physics 5054 · O Level · Physical quantities and measurement techniques

Physical quantities and measurement techniques — practice question

A thin wire, which is roughly $50\text{ cm}$ long, has its diameter and length measured with maximum precision possible. Which instruments are most suitable to use?

  • Adiameter: micrometer; length: rule
  • Bdiameter: micrometer; length: vernier calipers
  • Cdiameter: rule; length: tape
  • Ddiameter: vernier calipers; length: rule

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