Physics 9702 · AS & A Level · Fundamental particles

Fundamental particles — practice question

Particles Q and R each consist of one quark and one antiquark.
(a)[1]

State the name of the particle class (group) that Q and R belong to.

(b)[2]

Q carries charge $-1e$, where $e$ is the elementary charge. R carries charge $0$. Complete Table 7.1 to show one possible second quark in each of Q and R.

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