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Medical Uses of Gamma Rays
Both radio waves and gamma rays are used in medicine.
Give one medical use of gamma rays.
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Marking points
- 1 Gives one accepted medical imaging, treatment or sterilisation use of gamma rays.
Full-mark answer
Radiotherapy to treat cancer.
Why this answer loses marks
MRI scan
The official mark scheme rejects MRI and other non-gamma imaging methods for this question.