A-LevelPhysicsDeformation of solids9702/12 · Feb/Mar 2017 · Q201 Mark

Two wires X and Y are made of different metals. The Young modulus of wire X is twice that of wire Y. The diameter of wire X is half that of wire Y. The wires are extended with the same strain and obey Hooke's law. What is the ratio tension in wire X? tension in wire Y

A1 8

B1 2

✓ Correct answer

B: 1 2

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Topic: Deformation of solids, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, Feb/Mar 2017 Paper 1 Variant 2, question 20.

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