Spec 0625
Revise CIE IGCSE Physics 3.3.1 The electromagnetic spectrum with the question bank, revision guides, and flashcards.
Know the main regions of the electromagnetic spectrum in order of frequency and in order of wavelength • Know that all electromagnetic waves travel at the same high speed in a vacuum • Supplement: Know that the speed of electromagnetic waves in a vacuum is 3.0 × 10⁸ m/s and is approximately the same in air
