WJEC GCSE Physics (Wales) · WJEC 3420U
2.9 Nuclear decay and nuclear energy
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Nuclear decay and nuclear energy
- Explain what happens to the nucleus of an atom during alpha decay. (4 marks, Explain)
- Explain the difference between nuclear fission and nuclear fusion, and state one similarit… (4 marks, Explain)
- Explain what happens during beta decay, including how the nucleus changes and what is emit… (4 marks, Explain)
- Explain what is meant by the term 'half-life' of a radioactive substance and explain why i… (4 marks, Explain)
- Explain why nuclear radiation from a radioactive source can be described as ionising radia… (4 marks, Explain)
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