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Physics (AS & A Level) · Oct / Nov 2016 · Paper 12 · Question 21

9702Elastic and plastic behaviour

Which force-extension graph shows plastic deformation of a sample of material?

  1. Agraph A
  2. Bgraph B
  3. Cgraph C
  4. Dgraph D

As printed in the paper

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Correct answer: D. graph D

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