A-LevelPhysicsOscillationsOct/Nov 2014Paper 1 Q231 Mark
When sound travels through air, the air particles vibrate. A graph of displacement against time for a single air particle is shown. [Figure 23.1] Which graph best shows how the kinetic energy of the air particle varies with time?
A[Diagram option A]
B[Diagram option B]
C[Diagram option C]
D[Diagram option D]
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of oscillations 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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