A-LevelPhysicsSuperpositionOct/Nov 2016Paper 1 Q281 Mark
Monochromatic light of wavelength 450 nm passes through two parallel slits 0.30 mm apart. Bright fringes are observed on a screen 2.0 m away. [Figure 28.1] How far apart are the bright fringes on the screen?
A1.3 mm
B1.5 mm
C3.0 mm
D6.0 mm
✓ 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...
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