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Nuclear and particle physics

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Question 43

Three statements regarding fundamental particles and their interactions are given below:

  1. A muon (μ−\mu^-μ−) is a lepton that decays via the weak interaction into an electron, an electron antineutrino, and a muon neutrino.
  2. A strange quark (sss) has a baryon number of +13\displaystyle +\frac{1}{3}+31​ and a strangeness of +1.
  3. The strong interaction between quarks is mediated by gluons, whereas the exchange particles for the strong force between nucleons in a nucleus are pions.

Which of these statements is/are correct?

A

Only 1 and 2

B

Only 1 and 3

C

Only 2 and 3

D

1, 2 and 3

Markscheme

Nuclear and particle physics Questions

  1. A Level
  2. /Physics
  3. /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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