Note AcademyNote Academy
Start

Physics (AS & A Level) · Feb / March 2017 · Paper 12 · Question 40

9702Fundamental particles

A neutron decays to form a proton. Which particle is not involved in the decay process?

  1. Aantineutrino
  2. Bdown quark
  3. Cpositron
  4. Dup quark

As printed in the paper

Show the answer

Correct answer: C. positron

Sit this whole paper →More on Fundamental particles

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.