GCSE Physics Specification

OCR B J259

Section P5.2: How can radioactive materials be used safely?

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#P5.2.1

recall the differences in the penetration properties of alpha particles, beta particles and gamma rays

#P5.2.2

recall the differences between contamination and irradiation effects and compare the hazards associated with each of these

#P5.2.3

describe the different uses of nuclear radiations for exploration of internal organs, and for control or destruction of unwanted tissue

#P5.2.4

explain how ionising radiation can have hazardous effects, notably on human bodily tissues

#P5.2.5

explain why the hazards associated with radioactive material differ according to the radiation emitted and the half-life involved