How Can I Learn Physics Independently?

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Discussion Overview

The discussion revolves around strategies for independent learning in physics, particularly focusing on topics such as quantum mechanics and special relativity. Participants share their insights on the necessary mathematical background and resources for self-study, as well as the relevance of these topics to engineering fields.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • One participant suggests that improving math skills, especially in calculus and algebra, is essential for learning physics independently.
  • Another participant recommends starting with introductory lectures and books on special relativity and quantum mechanics.
  • A different viewpoint emphasizes the importance of having a solid background in physics and calculus before tackling standard modern physics textbooks, mentioning specific titles like those by Serway and Ohanian.
  • Some participants note that while quantum mechanics is not typically required for most engineers, it may be relevant for electrical engineering students, particularly in courses related to semiconductor devices.
  • It is mentioned that special relativity can be learned independently with sufficient time and effort.

Areas of Agreement / Disagreement

Participants generally agree on the necessity of a strong mathematical foundation for studying physics. However, there are varying opinions on the best resources and approaches for self-learning, indicating that multiple competing views remain.

Contextual Notes

Some limitations include the assumption that participants have a certain level of prior knowledge in physics and mathematics, as well as the potential variability in course availability and requirements across different educational institutions.

Who May Find This Useful

This discussion may be useful for high school students or individuals interested in pursuing physics or engineering independently, as well as those looking for guidance on self-study resources and strategies.

Immortalis
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Hello,
I am currently a high school senior. I've been admitted for university to study electrical engineering and possibly nuclear engineering. I also enjoy learning about topics including quantum mechanics and special relativity. I would major in physics except it's not a career I want to pursue. How could I go about learning these topics on my own?
 
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You must improve your math skills, especially Calculus and Algebra. You can start with some lectures for Theoretical Physics and some good introductory books on Special Relativity and Quantum Mechanics.
 
Wait until you've got a decent background in physics and calculus and then pick up a standard "modern physics" textbook (e.g. Modern Physics - Serway, or Modern Physics - Ohanian, or any other textbook like those).

Alternately, take extra courses (modern physics, QM, electrodynamics) from your school's physics department as electives or just as extra courses (it's difficult but can be enriching), depending on whether your department allows them as electives. I will note that it's not completely unreasonable to use quantum mechanics in engineering. While most engineers will never need quantum mechanics, and while most electrical engineers even don't need quantum mechanics, as an electrical engineering student, you will likely end up taking a course on semiconductor devices. These usually focus on a semi-classical approach to the physics of semiconductors, but if you chose to pursue it further and if you plan on going to graduate school, you may end up taking a few graduate QM and solid state physics courses, so there's that. Of course, the ultimate focus is on the engineering.

Special relativity is fairly easy to pick up on your own given enough time.
 
axmls said:
Wait until you've got a decent background in physics and calculus and then pick up a standard "modern physics" textbook (e.g. Modern Physics - Serway, or Modern Physics - Ohanian, or any other textbook like those).

That's what I would suggest also, for starters. Courses that use these books generally assume that you've completed a standard two-semester calculus based intro physics sequence. In fact, they're sometimes taught as the third course in a three-semester intro physics sequence. My first teaching job after graduate school was at a college where all electrical engineering majors had to take an intro modern course, so we had many students in it.
 

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