A-LevelPhysicsDeformation of solidsFeb/Mar 2017Paper 1 Q211 Mark

A weight of 120 kN is placed on top of a metal column. The length of the column is compressed by 0.25 mm. The column obeys Hooke's law when compressed. How much energy is stored in the compressed column?

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.

A15 J

B30 J

C15 kJ

D30 kJ

✓ Correct Answer

The correct answer is A: 15 J

📋 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 Feb/Mar 2017 examination, Paper 1 Variant 2.

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