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Physics (AS & A Level) · May / June 2025 · Paper 13 · Question 20

9702Stress and strain

What are the units of stress, strain and the Young modulus?

  1. Astress: newton, strain: metre, Young modulus: pascal
  2. Bstress: newton, strain: no unit, Young modulus: newton
  3. Cstress: pascal, strain: metre, Young modulus: newton
  4. Dstress: pascal, strain: no unit, Young modulus: pascal

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Correct answer: D. stress: pascal, strain: no unit, Young modulus: pascal

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