IGCSE Physics (0625)
Electromagnetic spectrum and sound
In short The Electromagnetic spectrum and sound topic in Cambridge IGCSE Physics (0625) covers the electromagnetic spectrum and its uses, sound and ultrasound. All electromagnetic waves travel at the same speed in a vacuum. Gamma rays have the shortest wavelength and radio waves the longest.
Start revising free →
Free account · the first topic in every subject is free
- 14–22 illustrated pages
- Examva Pro
- Core & Extended
14–22 illustrated pages in this topic
Pro unlocks every illustrated page, syllabus-matched Test Me recall and a printable PDF for this topic, plus the same revision loop throughout your saved course and level. Test Me is available in all 45 topics across the full catalogue.
Examva is independent and not affiliated with or endorsed by Cambridge University Press & Assessment.