A-LevelPhysicsWavesFeb/Mar 2020Paper 1 Q271 Mark
A water wave passes through a gap between two barriers. The wavefronts spread out as shown. [Figure showing water wavefronts diffracting through a narrow gap between two barriers] What is the name of this phenomenon?
Acoherence
Bdiffraction
Cinterference
Dsuperposition
✓ Correct Answer
The correct answer is B. 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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