Lessons › Unit 6
Modern Physics
Relativity, the quantum world, the atom and the nucleus, and particle physics. 23 lessons.
6.1 Relativity
6.1.1Michelson-Morley ExperimentDescribe the aether hypothesis.6.1.2Special RelativityState Einstein's two postulates.6.1.3Special Relativity EvidenceExplain how muon decay supports time dilation.
6.2 Atomic Physics
6.2.1JJ Thomson and the ElectronDescribe the cathode ray experiments.6.2.2MillikanDescribe Millikan's oil drop experiment.6.2.3RutherfordDescribe the gold foil experiment.6.2.4ChadwickDescribe Chadwick's experiment and the discovery of the neutron.
6.3 Radioactivity
6.3.1What is RadioactivityDescribe alpha, beta and gamma radiation.6.3.2Half LifeDefine half-life.6.3.3Binding EnergyExplain mass defect.6.3.4Strong Nuclear ForceDescribe the strong nuclear force and its range.6.3.5FissionDescribe nuclear fission and chain reactions.6.3.6FusionDescribe nuclear fusion.
6.4 Quantum Physics
6.4.1Planck and the BlackbodyDescribe the ultraviolet catastrophe.6.4.2Photoelectric EffectDescribe the photoelectric effect.6.4.3Bohr ModelDescribe the Bohr model of the hydrogen atom.6.4.4de Broglie and Matter WavesState de Broglie's hypothesis.6.4.5Compton EffectDescribe the Compton effect.6.4.6Schr