Irradiation and contamination
Irradiation and contamination
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.
Step-by-step lessons on OCR GCSE Physics Uses and hazards. Each one builds up to exam-style questions. 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.