# UCD: Physics 9D - Modern Physics

- By: Tom Weideman
- Publisher: University of California, Davis
- Source: [LibreTexts](https://phys.libretexts.org/Courses/University_of_California_Davis/UCD%3A_Physics_9D__Modern_Physics)
- Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- Read at LibreTexts: https://phys.libretexts.org/Courses/University_of_California_Davis/UCD%3A_Physics_9D__Modern_Physics
- PDF: https://downloads.libretexts.org/api/v1/download/phys-17305/pdf

Physics 9D introduces the 20th-century topics of special relativity and quantum theory to science and engineering majors.