A-LevelPhysicsSuperpositionMay/June 2011Paper 1 Q291 Mark
The diagrams show the arrangement of apparatus for a Young's slits experiment and also part of the pattern formed on the screen with a ruler placed next to it. [Figure 29.0] What is the wavelength of the light?
A4.8 × 10⁻⁷ m
B5.4 × 10⁻⁷ m
C3.2 × 10⁻⁶ m
D3.4 × 10⁻⁶ m
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The correct answer is B. This question tests the candidate's understanding of superposition 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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