Quiz 7 Goals and Resources
[Cutnell/Johnson/Young/Stadler, Physics, 11/e, Chapters 28, 31-32]
[Quiz 7 worksheet questions (*.pdf)]
- Student Learning Outcomes
Understand how inertial reference frames are defined, and how the principle of relativity is applied to all reference frames.
- Understand how apparent contradictions with the principle of relativity are resolved by Einstein's postulates of special relativity.
- Understand how special relativity is related to Galilean relativity and Newtonian physics, and the domains in which each are applicable, via the correspondence principle.
Analyze and describe the relativity of simultaneity and cause and effect experienced by ideal observers in different reference frames.
Understand how/why time dilation arises from the postulates of special relativity, and analyze and describe the relativity of time dilation experienced by ideal observers in different reference frames.
- Analyze and describe the relativity of length contraction experienced by ideal observers in different reference frames.
- Analyze and describe the relativity of kinetic energy measured by ideal observers in different reference frames, and the relationship with rest energy, measured in electron-volts or joules.
- Understand the relationship between nucleon number (mass number) A, atomic number (proton number) Z, and neutron number N, and how these quantities are expressed in a preferred format.
Understand and apply the definition of the unified atomic mass unit "u" (and not the older definition of the atomic mass unit, denoted "amu").
- Analyze and describe binding energy and mass defect for different nuclei.
- Analyze and describe characteristics and causes of alpha decay, beta decay, electron capture, and gamma decay using conservation laws of charge and nucleon numbers, and proton and neutrons between their energy levels.
- Describe and quantify the time-related behavior of radioactive decay, and understand how "radioactive dating" is used.
- Apply rules of drawing Feynman diagrams to model certain fundamental interactions in quantum electrodynamics and nuclear physics.
- Be able to distinguish between valid and invalid Feynman diagrams, and understand the implication that any diagram that is not strictly invalidated may be allowed.
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