In a nuclear power station, the energy released per kilogram of enriched uranium fuel during fission is 84 000 GJ84\ 000\text{ GJ}84 000 GJ.
By comparison, the energy released per kilogram of fuel when burning high-grade anthracite coal in a conventional thermal power plant is 0.024 GJ0.024\text{ GJ}0.024 GJ.
Calculate the ratio of the energy released per kilogram in nuclear fission compared with the energy released per kilogram in burning anthracite coal.
Use the equation:
ratio=energy released from fissionenergy released by burning anthracite coal \text{ratio} = \frac{\text{energy released from fission}}{\text{energy released by burning anthracite coal}} ratio=energy released by burning anthracite coalenergy released from fission94 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.