A-LevelPhysicsWavesMay/June 2021Paper 1 Q221 Mark
Two particles in a progressive wave are a distance 10 cm apart. The two graphs show the variation with time t of the displacement d of the two particles. [Figure 22.1] What could be represented by the two graphs?
Aparticles in a longitudinal wave with a compression and the nearest rarefaction separated by 10 cm
Bparticles in a longitudinal wave with a compression and the nearest rarefaction separated by 20 cm
Cparticles in a transverse wave with a peak and the nearest trough separated by 20 cm
Dparticles in a transverse wave with two adjacent peaks separated by 10 cm
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of waves within the Physicssyllabus. The examiner's mark scheme requires...
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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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