Reflection of light — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
Plane-mirror reflection, total internal reflection and optical fibres are included. Critical-angle calculation with sin c = 1/n is additional practice.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge IGCSE Physical Science 0652 syllabus 2025–2026 · P3.2.1, p34
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