Question 9 of 70 in The Electromagnetic Spectrum

Gamma rays

1 mark · Normal

State one use of gamma rays in medicine.

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Gamma rays are used to treat cancer or to sterilise medical equipment.

Also accept: to kill cancer cells; for radiotherapy

Common mistakes: x-rays for treating cancer

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Marking points

B1 · 1 mark · Correctly states any one use of gamma rays in medicine.

Worked solution

Gamma rays are used in medicine to treat cancer (radiotherapy) by killing cancer cells.

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