Which particle is not a fundamental particle?
A.
charm quark
B.
electron
C.
neutrino
D.
neutron
Exam No：9702_w24_qp_11 Year：2024 Question No：38
Answer:
D
Knowledge points:
11.2.1 appreciate that protons and neutrons are not fundamental particles since they consist of quarks
11.2.2 describe a simple quark model of hadrons in terms of up, down and strange quarks and their respective antiquarks
11.2.3 describe protons and neutrons in terms of a simple quark model
11.2.4 appreciate that there is a weak interaction between quarks, giving rise to β decay
11.2.5 describe β– and β+ decay in terms of a simple quark model
11.2.6 appreciate that electrons and neutrinos are leptons
Solution:
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