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Edexcel IGCSE Physics · Spec 7.15-7.16

Irradiation, Contamination and Radioactive Waste

Covers distinguish irradiation from contamination, Choose controls for each hazard and Explain radioactive-waste disposal problems.

Physics revision video

Irradiation, Contamination and Radioactive Waste

Spec 7.15-7.16

What you need to know

  • Distinguish irradiation from contamination
  • Choose controls for each hazard
  • Explain radioactive-waste disposal problems

Active recall

Quick check

Answer each question before opening the answer.

Does irradiation transfer radioactive material?

No

Why is internal alpha contamination dangerous?

Alpha is strongly ionising inside the body

Why is long-lived waste difficult?

It requires secure containment for very long periods

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