One spectrum, many waves
One spectrum, many waves
Electromagnetic radiation is energy transferred by electromagnetic waves, and these waves can travel through a vacuum. The spectrum runs from radio waves to gamma rays: radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays.
Step-by-step lessons covering Edexcel GCSE Physics Uses and dangers of electromagnetic radiation for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Master the required practical work and core equations early, since both papers can draw on content and maths skills from across the whole specification.