A-LevelPhysicsDeformation of solidsMay/June 2010Paper 1 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?

Q: What is the correct answer to this A-Level Physics question?

The correct answer is D: 6.0 x 10⁹ Pa.

Q: What topic does this question test?

This question tests Deformation of solids in A-Level Physics (syllabus code 9702). It is worth 1 mark.

A6.0 x 10⁷ Pa

B7.5 x 10⁸ Pa

C1.5 x 10⁹ Pa

D6.0 x 10⁹ Pa

✓ Correct Answer

The correct answer is D: 6.0 x 10⁹ Pa

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Physics Question

Topic

This multiple-choice question tests Deformation of solids in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2010 examination, Paper 1 Variant 2.

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