Physics 0625 · IGCSE · Radioactivity

Radioactivity — practice question

Radioactive decay is a transformation in an unstable nucleus that can lead to the release of alpha-particles or beta-particles. Which statement describes the way these emissions occur?

  • AAlpha emission is a spontaneous and random process but beta emission is not.
  • BAlpha emission and beta emission are both spontaneous and random processes.
  • CBeta emission is a spontaneous and random process but alpha emission is not.
  • DNeither alpha emission nor beta emission are spontaneous and random processes.

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