O-LevelPhysicsLightOct/Nov 2024Paper 4 Q314 Marks
A student investigates the image formed by a converging lens. (a) The student: • arranges the apparatus as shown in Fig. 3.1 [Figure 3.1] • places a white screen approximately 30 cm from the lens • adjusts the position of the screen until a sharp image of a window in the laboratory, a few metres distant from the lens, is formed on the screen.
📋 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...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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