O-LevelPhysicsNuclear Physics5054/12 · Oct/Nov 2024 · Q381 Mark

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? [Table: radiation type, half-life]

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

ARow A: alpha particles, a few hours

BRow B: beta particles, a few years

CRow C: gamma rays, a few hours

DRow D: gamma rays, a few years

✓ Correct answer

C: Row C: gamma rays, a few hours

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2024 Paper 1 Variant 2, question 38.

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