A-LevelPhysicsDeformation of solidsFeb/Mar 2019Paper 1 Q211 Mark
The graph shows the extension of a sample of a type of rubber as different loads F are applied and then gradually removed. [Figure 21.1] What is the best estimate of the strain energy in the rubber when a load of 80 N is applied?
A0.40 J
B0.64 J
C0.88 J
D1.3 J
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of deformation of solids within the Physicssyllabus. The examiner's mark scheme requires...
📋 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...
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