Physics · Oct / Nov 2024 · Paper 12 · Question 38
5054Half-life
A radioactive isotope is injected into a patient as part of a medical test. The radiation emitted is detected outside the body. What are suitable properties for this isotope?
- Aalpha particles, a few hours
- Bbeta particles, a few years
- Cgamma rays, a few hours
- Dgamma rays, a few years
As printed in the paper
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Correct answer: C. gamma rays, a few hours
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