A-LevelPhysicsParticle physicsFeb/Mar 2025Paper 1 Q371 Mark

What is a general description of a baryon?

Q: What topic does this question test?

This question tests Particle physics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

AIt consists of three quarks that must all be the same flavour.

BIt consists of three quarks that do not need to be the same flavour.

CIt consists of two quarks that must both be the same flavour.

DIt consists of two quarks that do not need to be the same flavour.

✓ Correct Answer

The correct answer is B: It consists of three quarks that do not need to be the same flavour.

📋 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...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Physics Question

Topic

This multiple-choice question tests Particle physics in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics Feb/Mar 2025 examination, Paper 1 Variant 2.

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