A-LevelPhysicsParticle physicsMay/June 2020Paper 1 Q401 Mark
A hadron has a charge of -e and is composed of three quarks. What could be the quark composition of the hadron? [Figure 40.1]
AThree strange quarks (s s s)
BOne up quark and two strange quarks (u s s)
CTwo up quarks and one strange quark (u u s)
DThree up quarks (u u u)
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The correct answer is A. This question tests the candidate's understanding of particle physics within the Physicssyllabus. The examiner's mark scheme requires...
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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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