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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Is it more effective to skim through a topic then go back for details or deeply understand each concept/equation before moving on?

For example, you are going through a textbook chapter on rotational motion. You come across the concept of moment of inertia and the relevant equations for the first time. You could skim over moment ...
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Demand for computational physicists: outlook in grad school [on hold]

Is there actually a demand for computational physicists in academia or is that just a phoney reason departments use to justify having a mix of physics, math and programming? Question background ...
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22 views

Exercises with solutions in dimensional analysis - reference request

I am currently trying to brush up on my skills in dimensional analysis, and computing with units. Is there a good source of worked examples, and exercises with solutions? I'd prefer to have solutions ...
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62 views

Suggestions for GR solved problems books

Study Topic: General Relativity I'm looking for a recommendation for either a dedicated problems and solved solutions book or, failing that, a textbook with a separate comprehensive solutions ...
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Questions on QFT and SM

What are some question paper to solve/practice on Quantum Field theory and Standard model, I read the theory but not practiced?
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49 views

Is it a good time to start or I need to work on some more subjects? [closed]

Is it a good time to start string theory when I did a course on Quantum field theory and on standard model but not the renormalization theory? I used following books: Some chapters of Peskin Some ...
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Difference between maths in physics degree and maths in a maths degree [closed]

I hope this question belongs on this site. If not, please feel free to recommend another site to move it to. Basically, I was wondering what are the main differences between the maths you learn in a ...
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6answers
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What physics paper would a high school student be able to read?

I'm looking for a physics paper which a typical high school student who is new to physics would be able to read and grasp the general idea of the purpose, setup and results, if not the details. To be ...
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1answer
56 views

Statistical Mechanics vs Statistics

Just how much of a representation of statistics do we get in a statistical mechanics curriculum. What are some of the useful facets of stat not in stat mech/quantum mech that physicists should really ...
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1answer
61 views

Help for project on the basics of the Higgs field

I have a project for my university class on the Higgs fields and how it impacts the standard model. Also I was going to add some information on how the Higgs particle is formed and decays into ...
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25 views

Masking tape-flexometer vs gravity? [closed]

For my work I been trying to find the best way to hang a flexometer on to the wall using masking tape, the reason for this is to be able to measure the height of people for a survey. I been trying ...
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0answers
32 views

All I need to know to enter undergraduate studies in pure physics [closed]

I want to pursue pure physics after my secondary high school. I was wondering if I know all I need to know to get into this stream. So please list out all the topics I need to know before my ...
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1answer
53 views

Learning Experimental Physics [closed]

I'd like to start learning more about experimental techniques, procedures, standard equipment, statistical/ numerical methods, etc. However, the extent of my university's lab work is the two freshman ...
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2answers
78 views

Understanding the AdS/CFT Correspondence [duplicate]

I am beginning to learn about the AdS/CFT correspondence, but I can't find a comprehensive introduction that includes the relevant gravitational/string theory physics. What specific areas of general ...
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1answer
19 views

Bimolecular recombination in few words

I'm making a short seminar about VERY broad topic of fullerenes in photovoltaics, but I'd like it to be educational (not just full of words hard to audience to make them think I'm smart). In one of ...
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1answer
47 views

“Hollow Earth” like Theories for pedagogical porpuses [closed]

I recently encountered the Hollow Earth theory, and I realize that This kind of theories can be used to give a really interesting discussion of a physical law. For example, If we take the ...
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25 views

Are there computerized ontologies for Relativity and (Experimental) Physics? How to contribute?

As machines and automation can generally assist humanity in physical activities, and even exceed mere human capabilities, so, increasingly, also in tasks of reasoning. A basic component of the latter ...
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3answers
99 views

Lagrangian/Hamiltonian mechanics at high school?

Has anyone developed an approach to teaching mechanics based on Lagrangian/Hamiltonian mechanics from the ground up. I mean from high school on up. This is akin to explicitly not talking about ...
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0answers
48 views

Why is capacitance taught instead of elastance? [closed]

I am an AP physics C student and last year I took physics B (now called 1 & 2). We learned about resistors first, then capacitors which everyone failed because it was a bit rushed. Anyway, now ...
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70 views

What is the next step in math education after taking the last undergrad math course? [closed]

Currently I successfully completed the 3rd semester of my B.Sc. in Physics. Since the upcoming summer semester is starting soon and I'm going to have some spare time I can spend, I want to expand and ...
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2answers
111 views

Help with high school physics [duplicate]

I am studying high school physics and it seems i have memorize the equation and use it mechanically in doing question and memorize lots of physical phenomena.I know a lot of physical phenomena can be ...
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1answer
56 views

Is this crystal defect an example of dislocation or a vacancy

It looks to me that a regular hexagonal pattern formed by the Ga atoms is interrupted in the middle of the crystal. Is this a void (or vacancy...), dislocation or another type of defect? Plus what ...
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1answer
54 views

Requirements prior to Quantum Mechanics [duplicate]

What are the requirements in physics and mathematics that somebody must have in order to start learning Quantum Mechanics by himself?
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2answers
91 views

Are standing waves in water exact sine waves?

In many physics demonstrations waves in water are used to illustrate principles of standing waves and wave propagation. After such demonstrations, classes tend to move on to basic problems ...
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51 views

Classical Mechanics Help [duplicate]

I'm an undergraduate student majoring in physics. I don't know why but classical mechanics is giving me a lot of problems and I can't seem to grasp the concepts at all. So far we've been doing ...
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44 views

What level of mathematics would I need to understand the physics of a black hole? [duplicate]

I recently went to go see the movie Interstellar and was awed by the visualizations of the wormhole and the black hole Gargantua. I read that noted physicist Kip Thorne was a consulting producer on ...
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2answers
111 views

An attempt to understand Quantum mechanics [closed]

Can I learn quantum mechanics just by knowing basic calculus and algebra? I know basic differential calculus and integral calculus. I am willing to study to understand what quantum mechanics means. ...
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1answer
23 views

does postive pole be a magnet to -e so that it would stick to it? [closed]

I've been wondering in case -e electrons are attrcted to postive pole ?! Does this mean like it acts as a magnet and my question is if a beam of electrons is passing does it stops when it meets an ...
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57 views

As an older student, is it better to finish my degree or go straight into studying physics now? [closed]

I'm a 23 year old going through a very early mid-life crisis, and considering a career change to physics. I would be very greatful for any advice :) I'm currently studying medicine, but I've realized ...
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153 views

What concepts could I teach to children in a game about quantum-mechanics? [closed]

I think that games can also be used to teach things to young people or childs, different than for example a book and could be more "direct" than teaching them all the math background, I would like to ...
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1answer
464 views

How to remember the Electromagnetic Spectrum?

This may sound off-topic but I am in a severe need of remembering the following shown Electromagnetic Spectrum along with the frequencies and wavelengths. So far I have looked at several mnemonics but ...
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0answers
44 views

Supergravity prerequisites for branes in string theory [duplicate]

I have a one-semester background in string theory (bosonic string theory, the NSR string, conformal field theory), but I have not taken any full length courses on supersymmetry and supergravity. I'm ...
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1answer
62 views

Learning Undergrad Physics [duplicate]

I am an undergrad physics student who has finished the first year curriculum: very basic mechanics and thermal physics; basic linear algebra; basic multivariable calculus and differential equations; ...
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2answers
107 views

Recommendation on books with problems for general relativity?

I am reading Sean Carroll's book on GR and have read the first two chapters, which are on manifolds and differential geometry. However, there are only 12 problems for both chapters. In fact, there ...
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Gedankenexperiment to derive the Robertson uncertainty relation without confusing it with the obersver effect

In the last years there seemed to be much activity on the meaning Heisenberg's uncertainty relation. The main point of the discussion was Heisenbergs noise-disturbance-relation (see: ...
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explaining qubits to beginning CS students

&I have 15 minutes as a guest lecturer to explain the notion of quantum computing to CS students in a Theory of Computation class. There is a lot of information on the web, e.g., ...
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Web utility for viewing $x$-$t$, $v$-$t$, and $a$-$t$ graphs

I'm wondering if there exists any utility on the web which displays $x$-$t$, $v$-$t$, and $a$-$t$ graphs for, say, a number of well considered example animations. The utility should allow pausing, ...
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75 views

What's the best GR book for recreational study? [closed]

I currently have four books. Hartle Schutz Cheng Carroll (lecture notes) Which one is best for me to read easily? (especially, for foreigners) Or Do you guys can give good recommendations that ...
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2answers
110 views

Study material for quantum mechanics [duplicate]

I want to study quantum mechanics. But I don't know what and which topics of mathematics are required. I know a bit of differential calculus. But what else is needed to study a bit advanced quantum ...
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39 views

Intuitive model to show difference between photon energy and light intensity?

What would be a good (intuitive, easily comprehensible) model to explain the quantum nature of light insofar as there is a fundamental difference between intensity and photon energy? One example (not ...
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3answers
183 views

Prerequisites for classical mechanics by Susskind

So I am an undergraduate in Electrical Engineering. We had a course on Physics in our freshman year which is equivalent to Classical Mechanics I as taught in MIT. I am interested in studying advanced ...
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1answer
47 views

Any economical quantitative electrostatics experiments for the university level?

I'm seeking for some safe experiments for undergraduates in the electrostatics context. We have a Van-de-Graaff generator in our fundamental physics lab but this kind of devices are useful for ...
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164 views

Experiment to verify a spring constant

In my high school physics class, I had students do a Hooke's Law lab to measure an unknown spring constant. Once we compared everyone's data we came up with a class value for $k$ of 253 N/m. We then ...
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GRE subject exam advice [duplicate]

So, I would like to ask those of you who have had this experience for some advice. What book is best for GRE subject exam? I have noticed that some books online have mistakes, so I would like if you ...
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Recommendations for Complex variable calculus [Physics Oriented]

I'm looking for a good book Complex variable calculus that give a really good mathematical background for a physicist. I already know real-variable calculus and vector calculus and I'm also ...
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1answer
58 views

Advice on Major Selection [closed]

I need a bit of an advice in deciding my major. My university allows only one major (along with minors) and I'm having a little bit of trouble in deciding what to do. Here's the thing. I want to go ...
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1answer
142 views

What is a quantum field?

I'm just tasting a bit of QFT and want to get started. I got stuck right at the start: what is a quantum field, and how should I look at it? This question can be a follow up of the What is a field, ...
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4answers
102 views

Possibility of making an experiment in a classroom to simulate DNA diffraction

I am a TA in a structural chemistry class. The professor want me to show students how Watson and Crick determined the structure of DNA from X-ray diffraction results of DNA crystals. The professor ...
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0answers
139 views

How do you explain special relativity to a 3 year old child? [closed]

I've been on multiple threads that attempt to explain this celebrated theory, but I have come across some rather complex threads that is very good if you are a physicist, but no one even attempts to ...
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4answers
157 views

Why are we still teaching Newtonian physics if it's “false”? [duplicate]

Why are we teaching an outdated theory when the math in general relativity isn't that hard? I really don't see a reason why we should teach a highly oversimplified theory in our schools. For me, it's ...