General properties of waves — Difficult
Transfer your understanding to a changed context, justify decisions and check your reasoning. No hints during the test.
Includes extension practice
Wave properties, refraction and gap diffraction are included. Separate edge-diffraction comparisons extend the listed objectives.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge IGCSE Co-ordinated Sciences 0654 syllabus 2028–2029 · P3.1, pp63–64
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