This following spreadsheet categorizes questions on posted quals from before 2016. (For example, questions about Schrodinger’s equation are way more common than questions about Clebsch-Gordan coefficients)
[embeddoc url=”https://blogs.uoregon.edu/physgrad/files/2017/11/QualTopics-Sheet1-1ch2zbt.pdf” download=”all” viewer=”google” ]