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Nuclear and particle physics

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Question 14

The table below shows the quark compositions of four particles, $P$ , $Q$ , $R$ , and $S$ .

Particle	Quark composition
$P$	$uu d$
$Q$	$u dd$
$R$	$uuu$
$S$	$uˉuˉdˉ\bar{u}\bar{u}\bar{d}$

Which particle has a net charge of 0?

$P$

$Q$

$R$

$S$

Markscheme

Nuclear and particle physics Questions

A Level
Physics
Nuclear and particle physics

90 exam-style questions on OCR A A Level Physics Nuclear and particle physics, covering The nuclear atom, Fundamental particles, Radioactivity, and Nuclear fission and fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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