◈ Oracle PrepSign Up Free
A-LevelPhysicsParticle physics9702/12 · Feb/Mar 2022 · Q401 Mark

A positively charged meson consists of a quark and an antiquark. What could be the quark and antiquark?

Acharm and antiup
Bdown and antitop
Cstrange and antibottom
Dup and antistrange

✓ Correct answer

D: up and antistrange

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Particle physics and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Particle physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, Feb/Mar 2022 Paper 1 Variant 2, question 40.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Physics questions

Particle physicsFeb/Mar 20251m

What is a general description of a baryon?

Particle physicsFeb/Mar 20251m

What is the change to the quark composition of a nucleus that takes place during β⁺ decay?

Particle physicsFeb/Mar 20251m

What is the charge, in terms of the elementary charge e, on a charm quark?

Medical physicsMay/June 20187m

Describe the basic principles of CT scanning (computed tomography).

Ideal gasesMay/June 20188m

State what is meant by the internal energy of a system.

Medical physicsMay/June 20187m

Piezo-electric transducers are used for the generation of ultrasonic waves.

← Browse all past-paper questions

© 2026 Oracle Prep