Questions tagged [education]

How is physics taught and learned. Teaching strategies, class examples and demonstrations; learning resources, career advice, etc. For explicit problems, use the 'homework' tag instead.

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Why not study quantum mechanics rather than waste time on relativity? [closed]

Relativity is a dubious tweak to Newtonian Gravity why study it?
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3 votes
3 answers
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What is the difference between Dirac delta vs removing point from space approach?

Let us take for instance E&M, in it when we deal with the failure of divergence theorem to give us the right expression when evaluating the volume integral of divergence of electric field over ...
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Challenging General Relativity Problems to Complement Weinberg's "Gravitation and Cosmology" [duplicate]

I have gone through most of MTW's Gravitation along with most of the problems within it. I am currently reading Weinberg's "Gravitation and Cosmology" which sadly does not have problems for ...
7 votes
5 answers
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What are some household sources of radiation detectable with a geiger counter?

I recently started rock tumbling with my preschool-age kids and bought a cheap geiger counter to check out rocks we find (more from curiosity than concern). Specifically it's a GQ GMC-500Plus model ...
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Chiral Transformation and Dirac Bilinear

I need to compute the following Dirac bilinears: $$\overline{\psi} \psi \quad \text{and} \quad \overline{\psi} \gamma_\mu \psi$$ Under the following Chiral transformation: $$\psi \rightarrow \psi' = \...
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1 vote
1 answer
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Has anyone ever put a magnetic or electrostatic dipole on a rotating shaft, spun it and demonstrated reception of a propagating wave in the far-field?

The question If I create a varying electric field and it will then create a varying magnetic field, so will it also create light? Will I see a light ray? got me thinking. I'm pretty sure that if I ...
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Would it be more insightful to teach students Lagrangian/Hamiltonian mechanics before Newtonian mechanics? [closed]

What benefits would it bring to teach analytical mechanics before Newtonian (vector) mechanics? I began thinking in this after I saw a 2019 article in the magazine Physics Today that advocates ...
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2 votes
3 answers
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Physical interpretation of mathematical operations

I have difficulty interpreting mathematical operations in a physical way. For example, I see many people reading Newton's second law as "Resultant force equals mass times acceleration", ...
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Where can I find a simple explanation or lectures of QM and QFT? [duplicate]

If anyone knows any books or video lectures that explain QM and QFT in a simple way, with more focus on the ideas and concepts behind it than the details of calculus. I need to conceptually understand ...
3 votes
1 answer
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What is this dynamics book that has questions and it's solutions?

I found these questions online and was amazed by how organized this book was so it would be really helpful to know it's name
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Neutrino Oscillation and Probability

I am a fresher in a university pursuing physics major. I have been very passionate about neutrinos. So, I started studying them. But I have realised that, it requires a lot of mathematical physics ...
1 vote
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How to study particle physics? [closed]

I finished my first year of PhD in physics this year (consisted of coursework on general physics). We have to work on a research starting by next year. I want to study particle physics but there are ...
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5 votes
2 answers
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Tidal forces in daily situations: where to find it?

I'm trying to look for something that I'm not used to. My search is related to Tidal forces and the purpose is: making a qualitative explanation (@ High School level) of this phenomenon, using daily ...
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How to prepare for reading Blau‘s lecture notes about general relativity from scratch? [duplicate]

I'm a student majoring in computer science, which means that I haven't learned any physics related courses. Furthermore, I only know calculus (at the level of introductory real analysis, well, the ...
2 votes
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Resource of worked out examples of scattering amplitudes at one-loop for electroweak processes

Please suggest a book, notes, videos, etc where a few scattering amplitudes are worked out in (understandable) detail at one-loop in the standard electroweak theory. Feel free to recommend more than ...
2 votes
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How to demonstrate interference or diffraction in class?

High School physics teacher here. I was wondering about a simple experiment that I can perform in class to demonstrate interference or diffraction. Can you suggest anything? I am not looking to ...
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Is there a fast way to simplify gamma matrix tensors?

I’m doing QFT homework, and our professor said Fermions require a lot of algebra. And I’m finding he’s right. I want to either get a mastery of these operations or find useful shortcuts. Since it’s ...
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1 vote
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In what order should I tackle Duncan and Schwartz' QFT? [closed]

I'm on my way to self-learning quantum field theory (after getting some mathematical pre-reqs out of the way!), and have a question about the order in which to go through the books I have. I have ...
2 votes
1 answer
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Videos on history of quantum physics or relativity [closed]

I'm looking for the videos on the topic in the title, thank you very much! Details are below. First, about my level. I was never much into physics, some I know this up to a level of school-taught ...
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Quantum Field Theory book for learning just the fundamental laws [duplicate]

All the books that I've found focus too much on practical calculation techniques and experiments. But that's not what I want to learn the theory for. I'm learning it only as a hobby and I am primarily ...
3 votes
1 answer
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Issues with operator associativity in quantum mechanics

Textbook authors often point put that operators aren't in general commutative which is a source of confusion. Another point of confusion, which I haven't seen mentioned anywhere is the issue with ...
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Looking for fluid mechanics exercise problems

I just started studying fluid mechanics with by Faber and the book doesn't seem to contain any exercise problems. Can anyone recommend me a good source for fluid mechanics exercise problems so I can ...
2 votes
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Resources on Classical Field Theory [duplicate]

I have not been able to find where to ask this question on Stack Exchange; so pardon me if this is inappropriate and kindly redirect me: How may I obtain a referral to texts that cover classical field ...
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Problem Solving Books in Physics

I am looking for a book like Paul Zeitz' "Art and Craft of Problem Solving", but applied to physics. Essentially something which simultaneously has both problem solving strategies and ...
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Is there an easy way to remember Maxwell relation in thermodynamics?

Maxwell relations are very important in thermodynamics, is there a way to easily remember it once and for all?
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Schuller Quantum Theory Problem Sheets

Does anyone have the problem sheets from Schuller's lectures "Lectures on Quantum Theory"? Or does anyone know a way how to obtain them? I tried emailing Schuller, but no reply.
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1 answer
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Geometrical Optics Multiple Reflections Question [closed]

Could anyone explain the concept behind and how we arrive at the answer to this question? What is the value of α for which there are maximum 2 reflections only ?
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Basic bibliography to understand magnetism [duplicate]

Good afternoon: I don't know if there is a thread dealing with basic books to understand electromagnetism. Currently, I am taking a subject about magnetic properties of materials (magnetic materials, ...
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Purcell's E&M video lectures? [duplicate]

I’m studying E&M by myself. Are there any good video lectures for learning Purcell’s E&M??
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What would be essential math topics to read for general relativity (from a particular book)? [duplicate]

I'm reading the book "Semi-Riemannian Geometry: The Mathematical Language of General Relativity" by Newman. There are definitely other questions on math background needed for GR, but my aim ...
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What areas of research use linear algebra the most? [closed]

I'm in my 4th semester as a physics and recently added a minor in math. I'm in my second linear algebra course, and am finding it extremely interesting and fun to understand. To complete my minor, I ...
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1 vote
1 answer
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Vacuum energy and my little brother's question: "can it be used?"

I'm studying Cosmology Lectures of Prof. Leonard Susskind (no GR involved at the moment). Vacuum energy density was introduced as $\rho_0$ and related to the Cosmological Constant $\Lambda$. I know ...
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1 vote
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What are some good Physics olympiad papers to practice [duplicate]

I am currently preparing for my National Physics Olympiad which happens to be the Indian physics olympiads. I have completed its previous papers and I want to solve more papers, I do not want to ...
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What are some good resources to study Biophysics for an undergraduate level?

I am studying Biophysics as a part of my Biotechnology bachelor program. I want to study the subject as best as I could, from a beginner level to graduate level. Please, recommend textbooks, online ...
1 vote
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Classical Mech Problems and Exercises (Book/PDF reccomendation)

I'm looking for recommendations for sets of problems and exercises to help with exam prep for my classical mechanics course. Our course follows Taylor's book, and so far we have covered through ...
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2 answers
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Obligated Bibliography for Quantum Gravity

I am a graduate student who wants to begin to get into Quantum Gravity. I've looked on internet for bibliography and I've found a lot of great books, but I would like to start from the beginning (of ...
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1 answer
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What are good books (or lectures) to quickly learn the classical field theory needed in quantum field theory? [duplicate]

I'm an undergrad and I'll take a graduate-level course on quantum field theory in a month or so, I have studied electromagnetism (one semester course) and a little bit of relativity (on my own), but I'...
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1 answer
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Which book/s should I get before introducing myself to quantum mechanics? [duplicate]

I am in secondary school and have no prior knowledge of quantum mechanics except what it is about and I started gaining interest in the subject so I was wondering which book/s I should get so I will ...
4 votes
2 answers
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How can one generally prevent silly mistakes in very long physics calculations? [closed]

I am a student working on certain open-ended research problems in quantum systems that mostly have long calculations and deal with a large number of terms. I tend to make a lot of silly mistakes ...
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Mathematically Oriented Graduate Quantum Mechanics Book [duplicate]

Basically the title, I took my first semester of QM at the graduate level using these texts and I just dislike them so much. The notation in both feels sloppy at best, and many of the proofs feel hand ...
2 votes
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Quantum computing and string theory: which path should I pursue first? [closed]

I'm an undergraduate physics student waiting for responses from graduate programs I applied to. I apologize if this question is slightly off-topic for physics SE, but I really want to hear some advice ...
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Are there any best websites for physics problems to enhance problem solving skills? [duplicate]

I actually prepare for International physics olymiad. Can anyone please tell me what are the best websites for physics problems (like codeforces, hackerrank, codechef)?
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2 answers
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Recommendation for a book on calculus

I am a high school student and know little about calculus. This includes simple integrals as well as more complex topics such as differential equations, which I feel are a prerequisite to solve and ...
2 votes
2 answers
128 views

What research in theoretical physics could a high school student do? [closed]

I already know what I want to conduct my research on (topic: magnetic monopoles), the problem is just that I don't know what to investigate or analyze. What are some research methods you would ...
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1 vote
0 answers
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How much depth of mathematical understanding do you need to understand (theoretical) physics well at graduate level? [duplicate]

How much depth of mathematical understanding do you need to understand (theoretical) physics well at the level of graduate texts in E&M, relativity, quantum mechanics, quantum field theory etc? I ...
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1 vote
0 answers
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Study Loop quantum gravity [duplicate]

I am a master's final year student in physics. In my curriculum I have courses on qft, qed and string theory but nothing on loop quantum gravity. I want to study the subject but I am not able to get ...
0 votes
2 answers
157 views

When is Calculus going to be used in Physics [closed]

Once I read a bit about a pdf on Physics that said without Calculus, then studying Physics is a waste of time. After I stopped reading the pdf, I later got a book about Physics. So far there is no ...
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4 votes
1 answer
90 views

Regge Theory references and predictive power

I am considering studying Regge theory and would like to listen/read some introductory lectures, reviews or textbooks. Does anyone has any good material for beginners in Regge theory. Furthermore I ...
2 votes
2 answers
136 views

Theoretical Knowledge for Experimental Particle Physicist [closed]

I was told that, as an experimental particle physicist, I need to know Quantum Field Theory and the Standard Model. However, are there situations where an experimental particle physicist needs to ...
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0 votes
0 answers
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Help in Statistical Mechanics (Resource Recommendation) [duplicate]

I have statistical mechanics in my semester this year. It is a graduate level course. I am having trouble understanding the concepts. I have used Reif and Pathria for the same. Can you please suggest ...

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