Physics 0625 · IGCSE · Radioactivity

Radioactivity — practice question

Why are certain radioactive sources kept inside boxes made of lead?

  • ALead absorbs emissions from the radioactive sources.
  • BLead decreases the half-life of radioactive sources.
  • CLead increases the half-life of radioactive sources.
  • DLead repels emissions from the radioactive sources.

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