A-LevelPhysicsDeformation of solidsMay/June 2022Paper 1 Q201 Mark
A wire is being stretched by a tensile force. Which statement about the elastic limit must be correct?
AThe deformation is plastic after the elastic limit has been reached.
BThe deformation is plastic until the elastic limit is reached.
CThe extension is proportional to the tensile force after the elastic limit has been reached.
DThe extension is proportional to the tensile force until the elastic limit has been reached.
✓ Correct Answer
The correct answer is A. 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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