A technician working at a nuclear fuel reprocessing facility is exposed to chronic, low-level gamma radiation due to a minor shielding defect.
Explain the biological mechanisms at a cellular level by which this exposure increases the technician's risk of developing cancer.
94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity, covering 6.5.1 Uses of radioactivity, 6.5.2 Dangers of ionising radiation and precautions, 6.5.3 Half-life and radiation dangers, 6.5.4 Safety precautions for radiation exposure, and 6.5.5 Contamination and irradiation. Each one has a worked solution and a mark scheme showing where the marks go.