PHYS 491, 492, 493, 494 Research
491, 493 - This number is assigned if the course also fulfills a requirement in the core curriculum.
492, 494 - This number is assigned for courses within the department which do not fulfill a requirement in the core curriculum.
Prerequisite: See department chair or instructor

491, 492 - 2 Credits
493, 494  - 4 Credits