Electromagnetic spectrum — Normal
Apply the topic independently and explain your method. No hints during the test.
Includes extension practice
The spectrum, vacuum speed and typical applications are included. Digital regeneration and detailed communication-system choices extend the listed objectives.
Easy, Normal and Difficult describe practice demand; they are not the official Core and Extended tiers.
- Cambridge IGCSE Physical Science 0652 syllabus 2025–2026 · P3.2.4, p35
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