A-LevelPhysicsDeformation of solids9702/12 · May/June 2010 · Q211 Mark

In stress-strain experiments on metal wires, the stress axis is often marked in units of 10⁸ Pa and the strain axis is marked as a percentage. This is shown for a particular wire in the diagram. [Figure 21.1] What is the value of the Young modulus for the material of the wire?

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A6.0 x 10⁷ Pa

B7.5 x 10⁸ Pa

C1.5 x 10⁹ Pa

D6.0 x 10⁹ Pa

✓ Correct answer

D: 6.0 x 10⁹ Pa

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2010 Paper 1 Variant 2, question 21.

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