Self-learning Modern and Quantum Physics

AI Thread Summary
The discussion focuses on the best online resources for learning modern and quantum physics at the undergraduate level, with an emphasis on the necessary mathematical background. MIT OpenCourseWare is highlighted as a valuable resource. It is noted that there is no definitive "highest level of math" required, as a strong math foundation generally benefits understanding. Basic requirements include senior secondary level probability and college algebra. The importance of defining one's learning goals is emphasized, as this will influence the approach to self-study. Self-assessment is discouraged, with the suggestion to use past exam papers to gauge understanding and progress in the subject matter.
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Hello,

What would be the best online resources for learning modern physics and quantum physics (at the undergraduate level). Also, what is the highest math that would be necessary? I think the only one I am lacking is PDE but I can self study that one as well if necessary. Thanks in advance.
 
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MIT open courseware.
There is no "highest level of math" - in many way, the better your maths the better for you.
iirc the courses have details of what they expect ... you need senior secondary level probability and entry college algebra.
 
kb1010 said:
Hello,

What would be the best online resources for learning modern physics and quantum physics (at the undergraduate level). Also, what is the highest math that would be necessary? I think the only one I am lacking is PDE but I can self study that one as well if necessary. Thanks in advance.

First of all, what is your goal in doing this "self-learning"? Are you aiming to get the same level of knowledge as a typical undergraduate major in physics? Or are you simply trying to learn this so that you can understand certain things only?

The goal will dictate strongly what you need to do. However, if you aim for the former, there is no way for you to do your own evaluation that you have such skill and knowledge. A typical undergraduate physics major has been put through a wringer of evaluations to ensure that he/she has a certain level of knowledge. A "self-studier" hasn't.

Zz.
 
It is best not to self assess ... however, if you can get hold of past exam papers for the courses you can get a good idea of how you are doing.
 
Hey, I am Andreas from Germany. I am currently 35 years old and I want to relearn math and physics. This is not one of these regular questions when it comes to this matter. So... I am very realistic about it. I know that there are severe contraints when it comes to selfstudy compared to a regular school and/or university (structure, peers, teachers, learning groups, tests, access to papers and so on) . I will never get a job in this field and I will never be taken serious by "real"...
Yesterday, 9/5/2025, when I was surfing, I found an article The Schwarzschild solution contains three problems, which can be easily solved - Journal of King Saud University - Science ABUNDANCE ESTIMATION IN AN ARID ENVIRONMENT https://jksus.org/the-schwarzschild-solution-contains-three-problems-which-can-be-easily-solved/ that has the derivation of a line element as a corrected version of the Schwarzschild solution to Einstein’s field equation. This article's date received is 2022-11-15...

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