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CAIE A-Level Physics 11.2.4 Baryons and Mesons

Practise classifying hadrons as baryons or mesons from their quark content, distinguishing both from fundamental particles.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • distinguish hadrons from fundamental particles and classify a hadron as a baryon of three quarks or a meson of a quark and antiquark
  • identify baryon or meson composition from a particle description

11.2.4—A hadron may be either a baryon (consisting of three quarks) or a meson question 1

[Maximum number: 1]

A hadron P has a charge of +1 e, where e is the elementary charge. The hadron P is composed of a down antiquark and only one other quark.

State what type of hadron is P .

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