Which statement is correct?
Baryons are composed of a quark and an antiquark.
An electron and a muon are examples of leptons.
The strong nuclear force is responsible for beta-plus decay.
A proton and an antiproton have the same electric charge.
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.