In the last two decades there was a sharp increase in the number of physics degrees.
Physics PhD is 5-7 years of hard work.
Data on graduate education in Physics
Data on undergraduate education in Physics
I published a physics tutorial yesterday (September 4, 2020) titled “Pure States and Mixed States in Quantum Mechanics“. Due to a quirk in the WordPress editor the article shows the date of publication as May 4, 2014. Please ignore that date. This is one of the good ones. I hope physics students take a look.
Suresh Emre
Renaissance Universal 