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Ionising radiation: properties, detection, uses and risks

Atomic structure and nuclear physics · Lesson 2 of 5

Lesson 2 of 5

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Lesson 2 of 5 · Atomic structure and nuclear physics

Ionising radiation: properties, detection, uses and risks

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By the end you’ll be able to

identify alpha, beta and gamma radiation and describe alpha as a helium nucleus, beta as a fast electron or positron where required by the specification, and gamma as electromagnetic radiation emitted from the nucleus
compare the penetrating power and ionising power of alpha, beta and gamma radiation, including suitable shielding materials

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explain why ionising radiation can damage living cells and increase mutation or cancer risk

apply knowledge of the properties of different radiations to medical and industrial uses, including tracers, thickness monitoring and radiotherapy where specified

evaluate the advantages, limitations and risks of using ionising radiation in medicine, industry and research

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