A-LevelPhysicsSuperpositionOct/Nov 2018Paper 1 Q271 Mark
Progressive sound waves of wavelength 20 cm enter the air columns in a closed pipe P and an open pipe Q. The lengths of the pipes are shown. [Figure 27.1] In which pipe or pipes are stationary waves formed?
AP and Q
BP only
CQ only
Dneither P nor Q
✓ Correct Answer
The correct answer is A. 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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