A-LevelPhysicsDeformation of solidsFeb/Mar 2025Paper 1 Q191 Mark
A wire is extended by a tensile force so that its deformation is elastic. What is meant by elastic deformation?
AThe extension of the wire is proportional to the tensile force.
BThe extension of the wire is not proportional to the tensile force.
CWhen the tensile force is removed, the wire does not return to its original length.
DWhen the tensile force is removed, the wire returns to its original length.
✓ Correct Answer
The correct answer is D. 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep