Particles and radiation Flashcards
What are the constituents of an atom and where are they found?
What are the properties of a proton?
What are the properties of a neutron?
What are the properties of an electron?
What is the atomic mass unit?
How do you represent a nucleus using isotope notation?
What is the equation for specific charge?
What is the role of the strong nuclear force within the nucleus?
What is the equation for alpha decay?
What are the properties of alpha particles?
What is the equation for the beta-minus decay?
What are the properties of beta particles?
How did beta decay experiments lead to the hypothesised existence of the neutrino?
What is the equation for beta-plus decay?
What happens during electron capture?
What is the equation for electron capture?
What happens during gamma decay?
What are the properties of gamma radiation?
What is antimatter?
What are the similarities and differences between matter and antimatter?
What is the electron-volt?
What happens during annihilation?
What is the equation for the photon energy after annihilation?
What happens during pair production?
What is the equation for the minimum energy required for pair production?
What are the four fundamental interactions?
What is the exchange particle for the electromagnetic interaction?
What are the exchange particles for the weak nuclear interaction?
What are the rules for Feynman diagrams?
Feynman Diagrams for:
- Electromagnetic repulsion
- Electromagnetic attraction
- Beta-minus decay
- Beta-plus decay
- Electron capture
What is a hadron?
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What is a baryon?
What is the only stable baryon?
What is a meson?
What is a pion?
What is a kaon and how does it decay?
What is a strange particle, how are they formed and how do they decay?
What is a lepton?
What is a muon and how does it decay?
What type of particles experience the strong nuclear interaction?
Why does particle physics rely on large multidisciplinary teams to validate new knowledge?
What is the quark combination of a proton?
What is the quark combination of a neutron?
What are the quark combinations of the three pions?
What are the quark combinations of the four kaons?
What quantities must be conserved in any interaction?
What quantities must be conserved in any strong nuclear interaction?
In what type of interaction can the flavour of a quark change?
What is the photoelectric effect?
What is the work function of a metal?
What is the threshold frequency?
What is the equation linking the threshold frequency of a metal to its work function?
What was the evidence against the wave theory of light?
What is the photon explanation of the photoelectric effect?
Why is the kinetic energy in the photoelectric effect equation a maximum?
How does a photocell work?
Why does the photocurrent reach a saturation current when a positive voltage is applied?
What is the stopping potential and its equation?
Calculations and equations for work function and the photoelectric effect
What is the definition of an electron volt, and its value in joules?
What is ionisation?
What is excitation?
What is de-excitation?
What are the differences between excitation with photons and excitation via collisions?
What is thermionic emission?
How does a gas discharge tube work?
What are atomic energy levels?
What can be said about the energy levels of different elements?
What is the ground state?
What is an excited state?
How is an emission spectrum formed?
What does an emission spectrum look like?
How is an absorption spectrum formed?
What does an absorption spectrum look like?
What is fluorescence and how does it relate to energy levels?
How does a fluorescent tube work?
Energy level calculations
What is evidence for the wave nature of light?
What is evidence for the particle nature of light?
What is evidence for the wave nature of electrons?
What is evidence for the particle nature of electrons?
What is the appearance of an electron diffraction pattern?
How does the momentum of the electrons affect the diffraction pattern?
What needs to happen before a new theory is accepted?
de Broglie calcs
