A physiotherapy clinic uses an infrared lamp and a microwave treatment unit. A fault leaves a patient exposed to both sources for longer than intended.
A member of staff says:
'Infrared and microwaves are non-ionising, so neither can damage the patient's tissue.'
Discuss the member of staff's statement.
104 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.