The original length of the wire is measured with:

  1. a spring balance
  2. a metre rule (or tape)
  3. a stopwatch
  4. a micrometer
Answer

B) a metre rule (or tape)

It is long (≈ 2 m). SLO P-11-B-25 · Understanding

Physics MCQ · More Deformation of Solids MCQs · Practise