A-LevelPhysicsWavesFeb/Mar 2024Paper 1 Q261 Mark
A source of sound waves with constant frequency moves towards a stationary observer. The observer compares the sound waves arriving at the observer's position with the waves emitted by the source of sound. What is detected by the observer?
Adecreased frequency of the sound waves
Bno change in frequency of the sound waves
Cdecreased wavelength of the sound waves
Dno change in wavelength of the sound waves
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of waves 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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