A-LevelPhysicsParticle physicsFeb/Mar 2019Paper 1 Q401 Mark
Which word equation represents β⁺ decay?
Aproton → neutron + electron + electron antineutrino
Bproton → neutron + electron + electron neutrino
Cproton → neutron + positron + electron antineutrino
Dproton → neutron + positron + electron neutrino
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of particle 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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