Lesson 3.2.1.5
3.2.1.5 Classification of particles Quiz: AQA Physics, Unit 2
20 questions
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Lesson 3.2.1.5, Classification of particles: 20 multiple choice questions for the AQA Physics (7408), Unit 2: Particles and radiation, written with Revision Ninja.
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The 20 questions
-
What are the two classes of hadrons?
- leptons and mesons
- baryons and photons
- baryons and mesons
- quarks and leptons
-
Which is the only stable baryon into which other baryons eventually decay?
- pion
- neutron
- kaon
- proton
-
Which force does the pion mediate as its exchange particle?
- strong nuclear force
- gravitational force
- weak nuclear force
- electromagnetic force
-
Which of these is NOT a lepton?
- proton
- electron
- muon
- electron neutrino
-
What is the lepton number of an electron?
- 0
- -1
- +2
- +1
-
What is the baryon number of an antiproton?
- +2
- 0
- -1
- +1
-
What is the antiparticle of the muon?
- antiproton
- antineutrino
- antimuon
- positron
-
Which particles are produced when a muon decays?
- Proton and pion
- Kaon and electron
- Electron and neutrinos
- Neutron and positron
-
In muon decay mu- to e- + electron antineutrino + muon neutrino, what is the total muon lepton number of the products?
- +2
- -1
- +1
- 0
-
What is the total baryon number of the products of neutron decay (n to p + e- + antineutrino)?
- 2
- -1
- 0
- 1
-
A kaon decays into pions. Which interaction is responsible for this decay?
- gravitational interaction
- strong interaction
- weak interaction
- electromagnetic interaction
-
How are strange particles always created in strong interactions?
- In quadruplets
- Singly
- In triplets
- In pairs
-
Strangeness can change by 0, +1 or -1 in which type of interaction?
- electromagnetic interaction
- weak interaction
- gravitational interaction
- strong interaction
-
What type of particle is the muon?
- photon
- meson
- baryon
- lepton
-
What is the charge of a muon?
- -1 e
- +1 e
- 0
- -2 e
-
What are the charge and baryon number of an antineutron?
- -1 and -1
- 0 and +1
- 0 and -1
- +1 and -1
-
Into which particle classification does a neutral pion belong?
- Gauge boson
- Baryon
- Lepton
- Meson
-
Which quantum number is violated in the forbidden decay mu- -> e- + gamma?
- Baryon number
- Strangeness
- Electric charge
- Lepton number
-
What is the baryon number of a pion?
- 1/3
- -1
- 1
- 0
-
Which interaction allows a kaon to decay into pions with a change in strangeness?
- Strong interaction
- Electromagnetic interaction
- Gravitational interaction
- Weak interaction
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