Gamma rays

1 mark · Easy

State one use of gamma rays apart from treating cancer.

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Sterilising medical equipment OR killing microorganisms in food

Also accept: sterilising medical instruments; killing germs in food; preserving food with radiation

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Marking points

B1 · 1 mark · States a correct use of gamma rays apart from treating cancer

Worked solution

Gamma rays are used to sterilise medical equipment OR to kill microorganisms in food so that it keeps for longer.