A-LevelPhysicsNuclear physicsMay/June 2015Paper 1 Q401 Mark
A uranium-238 nucleus, ₂₃₈U, undergoes nuclear decays to form uranium-234, ₂³⁴U. Which series of decays could give this result?
Aemission of four β-particles
Bemission of four γ-rays
Cemission of one α-particle and two β-particles
Demission of two α-particles and eight β-particles
✓ 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...
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