Mobile phones transmit data using microwave radiation.
Microwave ovens also use microwave radiation to heat and cook food.
Explain why using a mobile phone close to a person's head does not produce the same heating effect as a microwave oven.
25 exam-style questions on Edexcel GCSE Physics 5.4 Uses and dangers of EM radiation, covering 5.4.1 Dangers of electromagnetic radiation, 5.4.2 Uses of electromagnetic radiation, 5.4.3 Radio waves and oscillations in circuits, and 5.4.4 Changes in atoms and nuclei generating radiation. Each one has a worked solution and a mark scheme showing where the marks go.