A-LevelPhysicsSuperpositionOct/Nov 2021Paper 1 Q271 Mark
A stationary wave is produced on a string that is stretched between two fixed points that are a distance of 1.35 m apart, as shown. [Figure 27.1] The speed of the waves on the string is 450 m s⁻¹. What is the frequency of oscillation of the stationary wave?
A333 Hz
B405 Hz
C500 Hz
D1000 Hz
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of superposition 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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