Handwritten student notes. Search for "Modern Physics Lecture Notes PDF" on the Internet Archive. You will find scanned notebooks from former students at places like UC Berkeley and Stanford. These are invaluable for seeing how someone else organizes problems.
Modern physics lecture notes are a set of notes that cover the fundamental concepts and principles of modern physics. These notes are usually compiled by experienced physicists or educators who have a deep understanding of the subject matter. They provide a concise and clear explanation of complex topics, making it easier for students to grasp and retain the information.
High-quality modern physics notes are not just raw equations. They include: