O-LevelPhysicsMeasurement5054/11 · Oct/Nov 2011 · Q11 Mark
The diameter and the length of a thin wire, approximately 1m in length, are measured as accurately as possible. What are the best instruments to use?
Adiameter: micrometer, length: rule
Bdiameter: micrometer, length: vernier calipers
Cdiameter: rule, length: tape
Ddiameter: vernier calipers, length: rule
✓ Correct answer
A: diameter: micrometer, length: rule
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