Lesson 3.2.1.4
3.2.1.4 Particle interactions Quiz: AQA Physics, Unit 2
20 questions
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Lesson 3.2.1.4, Particle interactions: 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
-
Which are the four fundamental interactions?
- gravity, electromagnetic, weak nuclear and friction
- gravity, electrostatic, nuclear and radioactive
- gravity, electromagnetic, weak nuclear and strong nuclear
- electromagnetic, magnetic, weak nuclear and strong nuclear
-
What is the exchange particle of the electromagnetic force?
- pion
- virtual photon
- gluon
- W boson
-
What are the exchange particles of the weak interaction?
- W+ and W- bosons
- gluons
- photons
- pions
-
Which particle is the exchange particle of the strong nuclear force between nucleons?
- W boson
- photon
- neutrino
- pion
-
Which interaction is responsible for beta-minus decay?
- gravitational interaction
- electromagnetic interaction
- strong nuclear interaction
- weak nuclear interaction
-
Which is the strongest of the four fundamental interactions?
- gravitational interaction
- electromagnetic interaction
- weak nuclear interaction
- strong nuclear interaction
-
Which interaction has the shortest range?
- weak nuclear interaction
- gravitational interaction
- electromagnetic interaction
- strong nuclear interaction
-
Which exchange particle is involved in beta-minus decay?
- photon
- W-
- W+
- pion
-
Which exchange particle is involved in beta-plus decay?
- W-
- pion
- gluon
- W+
-
Which interaction governs electron-positron annihilation?
- gravitational interaction
- electromagnetic interaction
- strong nuclear interaction
- weak nuclear interaction
-
What is the role of a virtual photon?
- It is exchanged between charged particles to mediate the electromagnetic force
- It is emitted when a nucleus decays
- It holds quarks together inside a proton
- It carries electric charge away from the nucleus
-
Why is the gravitational force negligible between two electrons?
- Gravity is much weaker than the electromagnetic force
- Electrons repel gravitationally
- Electrons have no mass
- Gravity acts only on protons
-
A neutron decays by emitting a W- boson. Which change occurs to the quarks?
- A down quark becomes an up quark
- A down quark becomes an antiquark
- A strange quark becomes an up quark
- An up quark becomes a down quark
-
Which exchange particle must be involved in the decay of a free neutron?
- pion
- gluon
- photon
- W-
-
Why is the exchange particle of the weak interaction heavy?
- Its very short range requires a large mass for the exchange particle
- Weak bosons travel slower than the speed of light
- Weak bosons carry no energy at all
- The interaction is weak, so the particle must be light
-
Which statement about the photon as an exchange particle is correct?
- It is emitted only by neutrons
- It has large mass and mediates a short-range force
- It has zero rest mass and mediates a force of infinite range
- It carries a negative charge
-
Which fundamental interaction keeps the Moon in orbit around the Earth?
- gravity
- electromagnetic
- weak nuclear
- strong nuclear
-
Which force holds quarks together inside a proton?
- gravitational interaction
- weak nuclear interaction
- electromagnetic interaction
- strong nuclear interaction
-
Which fundamental interaction is involved when a proton and an electron collide to produce a neutron and a neutrino?
- weak nuclear interaction
- strong nuclear interaction
- gravitational interaction
- electromagnetic interaction
-
Which exchange particle is involved in electron capture (p + e- to n + neutrino)?
- pion
- photon
- W+
- W-
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