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

  1. 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
  2. What is the exchange particle of the electromagnetic force?

    • pion
    • virtual photon
    • gluon
    • W boson
  3. What are the exchange particles of the weak interaction?

    • W+ and W- bosons
    • gluons
    • photons
    • pions
  4. Which particle is the exchange particle of the strong nuclear force between nucleons?

    • W boson
    • photon
    • neutrino
    • pion
  5. Which interaction is responsible for beta-minus decay?

    • gravitational interaction
    • electromagnetic interaction
    • strong nuclear interaction
    • weak nuclear interaction
  6. Which is the strongest of the four fundamental interactions?

    • gravitational interaction
    • electromagnetic interaction
    • weak nuclear interaction
    • strong nuclear interaction
  7. Which interaction has the shortest range?

    • weak nuclear interaction
    • gravitational interaction
    • electromagnetic interaction
    • strong nuclear interaction
  8. Which exchange particle is involved in beta-minus decay?

    • photon
    • W-
    • W+
    • pion
  9. Which exchange particle is involved in beta-plus decay?

    • W-
    • pion
    • gluon
    • W+
  10. Which interaction governs electron-positron annihilation?

    • gravitational interaction
    • electromagnetic interaction
    • strong nuclear interaction
    • weak nuclear interaction
  11. 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
  12. 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
  13. 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
  14. Which exchange particle must be involved in the decay of a free neutron?

    • pion
    • gluon
    • photon
    • W-
  15. 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
  16. 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
  17. Which fundamental interaction keeps the Moon in orbit around the Earth?

    • gravity
    • electromagnetic
    • weak nuclear
    • strong nuclear
  18. Which force holds quarks together inside a proton?

    • gravitational interaction
    • weak nuclear interaction
    • electromagnetic interaction
    • strong nuclear interaction
  19. 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
  20. Which exchange particle is involved in electron capture (p + e- to n + neutrino)?

    • pion
    • photon
    • W+
    • W-

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