Which statement about conservation laws and fundamental particle interactions is correct?
Strange particles are produced in pairs via the weak interaction.
All leptons experience the strong nuclear force.
Baryon number is conserved in strong and electromagnetic interactions but not in weak interactions.
Both baryons and mesons experience the strong nuclear force.
50 exam-style questions on AQA A Level Physics Particles, covering Constituents of the atom, Stable and unstable nuclei, Particles, antiparticles and photons, Particle interactions, Classification of particles, Quarks and antiquarks, and Applications of conservation laws. Each one has a worked solution and a mark scheme showing where the marks go.