Radiation — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
Infrared transfer and surface properties are included. Earth radiation balance and quantitative rate modelling extend this section.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge IGCSE Physical Science 0652 syllabus 2025–2026 · P2.2.3, p32
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