A-LevelPhysicsSuperpositionMay/June 2015Paper 1 Q261 Mark
What is not an essential condition for an observable interference pattern to occur between the waves from two sources?
AThe frequencies of the two sources must be equal.
BThe sources must be coherent.
CThe sources must emit waves of equal amplitude.
DThe waves from the two sources must overlap.
✓ 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...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep