O-LevelPhysicsNuclear PhysicsOct/Nov 2024Paper 1 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]
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
The correct answer is C. This question tests the candidate's understanding of nuclear physics within the Physicssyllabus. The examiner's mark scheme requires...
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🔒
Unlock the Examiner's Answer
Sign up for free to reveal the correct answer, the official mark scheme breakdown, and the examiner trap analysis for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep