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Irradiation and contamination

Irradiation and contamination

Side-by-side comparison of irradiation from a sealed source and contamination by radioactive dust on skin and in lungs Radioactive materials are useful in medicine, safety devices, and electricity generation, but the risk depends on how the radiation interacts with matter. A key first step is separating irradiation from contamination.

Uses and hazards Lesson

  1. GCSE
  2. /Physics
  3. /Uses and hazards

Step-by-step lessons covering OCR GCSE Physics Uses and hazards for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 (Foundation Tier) or Paper 3 and Paper 4 (Higher Tier) format. Paper 2 and Paper 4 include synoptic questions that draw on Topics P1–P4, so revisit earlier topics before final exams rather than treating each paper as self-contained.

Lessons