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Physics (AS & A Level) · Feb / March 2022 · Paper 12 · Question 18

9702Stress and strain

A metal wire is stretched. The wire obeys Hooke's law. Which quantity has a value that does not change?

  1. Aextension
  2. Bstrain
  3. Cstress
  4. DYoung modulus

As printed in the paper

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Correct answer: D. Young modulus

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