Deep geological disposal is widely considered the safest long-term solution for high-level radioactive waste (HLW) harvested from nuclear power stations.
State two engineering or environmental challenges that must be overcome when planning and constructing a deep geological repository to safely isolate HLW for thousands of years.
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.