IGCSE Physics 0625 3.3 Electromagnetic Spectrum Notes

Full topic notes for 3.3 Electromagnetic Spectrum, written for the Cambridge IGCSE Physics (0625) syllabus for exams in 2026, 2027 and 2028.

What’s included

• 15-page notes PDF covering every Core and Supplement learning outcome
• Clear labelled diagrams and the practical work for the topic
• Key equations, definitions and exam tips
• Exam-style questions with quick checks
• Separate answer key written as mark-scheme points

Topics covered

• The electromagnetic spectrum and its speed
• Uses of each region
• Harmful effects of excessive exposure
• Satellites and communication systems
• Analogue and digital signals
• Investigation: measuring the speed of microwaves

Core and Supplement content are clearly labelled, so the notes work for both tiers. Print-ready A4 PDFs; use them for teaching, homework, cover lessons or independent revision.

Part of a series covering all 24 topics of the 0625 syllabus.

Written by an experienced IGCSE and A-level Physics teacher. Not produced or endorsed by Cambridge International.