Physics 0625 · IGCSE · Radioactivity

Radioactivity — practice question

Four students are asked to make comments about nuclear fission and nuclear fusion. Their comments are shown in the table. Which row is correct?

  • Afission: energy is absorbed; fusion: a large unstable nucleus splits
  • Bfission: a large unstable nucleus splits; fusion: energy is absorbed
  • Cfission: two light nuclei join; fusion: energy is absorbed
  • Dfission: energy is released; fusion: two light nuclei join

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