A-LevelPhysicsSuperpositionOct/Nov 2014Paper 1 Q261 Mark
Two identical loudspeakers are connected in series to an a.c. supply, as shown. [Figure 26.1] Which graph best shows the variation of the intensity of the sound with distance along the line XY?
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 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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