Exam #2 example questions:

  • Draw a cathode ray tube and label its key parts (5 points)
  • Draw the interior of a proton (5 points)
  • What are the 6 quarks, how are they paired? (5 points)
  • What are the four fundamental forces? (5 points)
  • What causes an emission line spectrum? (5 points)
  • What is the photoelectric effect? (10 points)
  • What is wave/particle duality? (10 points)
  • What is the Planck curve? (10 points)
  • What is the Bohr atom and how does it explain atomic spectra?
  • Describe quantum tunneling. How does this demonstrate that the fuzzy wave function is the correct description of quantum things.
  • How does the strong force differ from gravity and the electromagnetic force? What does it mean that there are no free quarks? How do these two ideas combine to explain the production of matter from energy?
  • Describe the Thomson model of the atom. Describe Rutherford's experiment and how it disproved the Thomson model.
  • What is the photoelectric effect? How does it demonstrate wave/particle duality?
  • What is the Bohr atom and how does it explain atomic spectra?
  • Describe quantum tunneling. How does this demonstrate that the fuzzy wave function is the correct description of quantum things.
  • How does the strong force differ from gravity and the electromagnetic force? What does it mean that there are no free quarks? How do these two ideas combine to explain the production of matter from energy?
  • Outline the evolution of physics in the 20th century with the merger of quantum physics, special relativity and Newtonian mechanics into new fields. Describe the major ideas of those field. What is quantum gravity about?
  • What is the photoelectric effect? How does it demonstrate wave/particle duality?
  • What is the two slit experiment? How does the many-worlds hypothesis explain the two slit experiment when only one photon passes through per second?
  • What are the four fundamental forces? Which is the strongest at short range? Which is the strongest at long range? Which is the strongest in your body?
  • Describe quantum tunneling. How does this demonstrate that the fuzzy wave function is the correct description of quantum things.
  • Outline the evolution of physics in the 20th century with the merger of quantum physics, special relativity and Newtonian mechanics into new fields. Describe the major ideas of those field. Why have we failed to obtain a quantum gravity theory?
  • Draw and describe Rutherford's experiment. Describe his model of the atom and how it works.
  • What is the two slit experiment? How does the many-worlds hypothesis explain the two slit experiment when only one photon passes through per second?
  • What are the four fundamental forces? Which is the strongest at short range? Which is the strongest at long range? Which is the strongest in your body? How does supergravity explain the weak nature of gravity?
  • Describe quantum tunneling. How does this demonstrate that the fuzzy wave function is the correct description of quantum things.
  • Describe the photoelectric effect and its importance to quantum theory.
  • What is the dilemma concerning the two slit experiment and photons?
  • Describe the components of the first generation of matter and the four force carriers. What are baryons composed of?
  • What is the hidden variable hypothesis? What problem is it suppose to solve?
  • How many dimensions are reserved for the macroscopic and microscopic worlds of the eleven dimensional multiverse or brane world scenario? How are the rest used? How does string theory explain how gravity travels between the parallel universes?
  • What is wave/particle dualism? Give an example.
  • Describe the two slit experiment. What is the role of the observer?
  • Describe quantum tunneling using the wave function.
  • Describe how quarks are combined to make baryons (protons and neutrons). What is quark confinement?
  • What are the four fundamental forces of Nature? Describe their characteristics and their force carriers.
  • Describe the photoelectric effect. How does Einstein interpret its results. Why does this imply wave-particle duality?
  • What is the two slit experiment? What is the problem for a particle interpretation of the interference pattern? How does the many-worlds hypothesis resolve this problem?
  • What is the uncertainty principle? Describe the three quantities in complementarity.
  • What is the wave function? Describe quantum tunneling and how this demonstrates that the fuzzy wave function is the correct description of quantum things.
  • How many dimensions are reserved for the macroscopic and microscopic worlds of the eleven dimensional multiverse or brane world scenario? How are the rest used? How does string theory explain how gravity travels between the parallel universes?