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## Main Question or Discussion Point

Hi,

I'm completing my phd in mathematics (number theory) within a year or so. I'm not sure I want to pursue academia and would like to work in the industry first. I'm interested in pursuing physics, electronics, and building things :) and was curious about working in a physics related job before deciding about academia. I haven't taken any physics courses, but have done functional analysis but no PDEs. I have two sets of questions and I apologize in advance for any overlap with other postings :)

(1) I would like to start reading about classical mechanics (followed by EM, QM, Relativity, and so on). I'm looking for a good book that is mathematically more mature but would still cover what a first course would cover (perhaps more quickly). I'm finding that the books I pick off the library shelf are either "Second courses" which don't provide the intuition or enough basic examples, or are "First courses" which are too introductory. Currently I'm reading Marion's Classical Dynamics and it's an okay compromise, but I was curious if there was something better. The same question applies for EM, QM, etc.

(2) This one may have been posted, but how much physics would I need to start in the industry and be useful. I'd be able to learn on my own additionally. Would one be able to get by with an undergrad level knowledge or would graduate courses be highly desired? Which courses?

Thanks!

-evoluciona

I'm completing my phd in mathematics (number theory) within a year or so. I'm not sure I want to pursue academia and would like to work in the industry first. I'm interested in pursuing physics, electronics, and building things :) and was curious about working in a physics related job before deciding about academia. I haven't taken any physics courses, but have done functional analysis but no PDEs. I have two sets of questions and I apologize in advance for any overlap with other postings :)

(1) I would like to start reading about classical mechanics (followed by EM, QM, Relativity, and so on). I'm looking for a good book that is mathematically more mature but would still cover what a first course would cover (perhaps more quickly). I'm finding that the books I pick off the library shelf are either "Second courses" which don't provide the intuition or enough basic examples, or are "First courses" which are too introductory. Currently I'm reading Marion's Classical Dynamics and it's an okay compromise, but I was curious if there was something better. The same question applies for EM, QM, etc.

(2) This one may have been posted, but how much physics would I need to start in the industry and be useful. I'd be able to learn on my own additionally. Would one be able to get by with an undergrad level knowledge or would graduate courses be highly desired? Which courses?

Thanks!

-evoluciona