PHYS 342: Modern Physics

PHYS 342: Modern Physics

Offering: Public Self-Paced Section: Default

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  • Lecture 1.2: Classical Concepts: Review of Particles and Waves 1. Lecture 1.2: Classical Concept… 0
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  • Equations of Motion for Particle with Mass m 2. Equations of Motion for Partic… 45.045045045045043
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  • Equations of Motion for Particles 3. Equations of Motion for Partic… 138.93893893893895
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  • Equations of Motion for Particles – cont. 4. Equations of Motion for Partic… 321.78845512178845
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  • Important Consequences: Constants of Motion 5. Important Consequences: Consta… 517.95128461795127
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  • Important Consequences: Constants of Motion Noether's Theorem (1915): Any conservation law implies an underlying symmetry: Conservation of energy implies time translation symmetry (invariance of EoM under the transformation ) Conservation of linear momentum implies linear translation symmetry (invariance of EoM under the transformation ) Conservation of angular momentum implies rotational translation symmetry (invariance of EoM under the transformation ) 6. Important Consequences: Consta… 613.88054721388062
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  • Waves are Really different 7. Waves are Really different 741.64164164164163
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  • Derivation of wave equation is based on Newton's laws of motion 8. Derivation of wave equation is… 1026.2595929262595
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  • Solutions to Wave Equation? 9. Solutions to Wave Equation? 1172.8395061728395
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  • The dispersion relation 10. The dispersion relation 1282.2489155822489
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  • Any other solutions to Wave Equation? 11. Any other solutions to Wave Eq… 1338.1715048381716
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  • A standing wave 12. A standing wave 1489.78978978979
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  • In pictures: black = red + blue 13. In pictures: black = red + blu… 1530.0967634300969
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  • Up Next – Maxwell's Electromagnetic Waves 14. Up Next – Maxwell's Electrom… 1597.7310643977312
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L1.2: Classical Concepts - Review of Particles and Waves

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