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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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Addition theorem for angular velocity --> “addition theorem for angles”

I'm wondering if it is possible to go from the addition theorem for angular velocity to the "addition theorem for angles". For example (I used the same notations of Wiki): $${^N\!\omega^B} = {^N\!\...
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0answers
23 views

How much conduction, radiation and convection influence in a thermos flask?

It has been thoroughly repeated that thermos flasks prevent heat loss by minimizing heat conduction, radiation and convection from the bottle to its ambient. This has been answered in this SE. However,...
6
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1answer
67 views

Experimental tests of Schrodinger evolution, position distribution, in square well and other simple systems?

Have the energy eigenfunctions in position space ever been experimentally tested for the simplest system undergraduates encounter when learning quantum mechanics, the square well? If not, what is the ...
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0answers
45 views

How large is the cavity under the Earth due to the average American's personal consumption of resources in a lifetime? [closed]

I began wondering how large the cavity is under the Earth due to my personal use of gasoline. Then I started wondering about all the other things I use and the mining of resources it took to provide ...
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0answers
35 views

Using intuition to understand physics concepts, how and when to let that need for intuition go? [closed]

Those of us who grew up solving Newtonian mechanics, electrostatics, and calculus of 1-3 variables problems developed good intuition for understanding simple concepts. This helped me condition a ...
0
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1answer
61 views

How do I pursue an academia track in Physics without a Physics degree? [closed]

I have an engineering undergraduate degree but would like to do Physics and to pursue an academia path. However, I do not have a rigorous Mathematics background and I am afraid that I would not be ...
1
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2answers
142 views

Intuition behind Manifold

As the majority of concepts in dynamical systems are based on Manifolds. How can one think/imagine about the concept of a manifolds intuitively? (A Lucid explanation is highly encouraged!!!)
2
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1answer
77 views

Particle in a box plus step (ground state)

I am trying to come up with a QM problem that: Can be solved analytically Contains a potential that is a sum of some analytically solvable potential and another contribution: $V'=V_0 + V$ Is then ...
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2answers
76 views

How would you explain pressure to a school kid?

suppose there is a squarish block (height 2 m) 1*1 on a table and different forces are acting on it from top perpendicular to the surface on top .Suppose it is like one force is of 3N in the middle ...
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0answers
31 views

What is Lagrangian mechanics? And how is it different from Newtonian mechanics? [duplicate]

I am only 15 year old,but I am terribly interested in physics. Once I was watching some kind of interesting lecture,and I came across Lagrangian-mechanics. What is it? How is it different from ...
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0answers
16 views

Resource on free conformal field theory [duplicate]

In QFT, it is easy to find resource on a free scalar quantum field theory. When I tried to search for a free conformal field theory, I could not find a good resource. Can anyone either give some ...
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2answers
64 views

What is the minimal preliminary knowledge required for a PhD in particle physics? [closed]

Currently, I am doing a master in mathematical physics. I am interested in particles and field theory and want to apply a PhD in this field. But I am not sure whether I can.... I just learned a ...
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0answers
24 views

Book recommendations : Classical Mechanics [duplicate]

I know this question has been asked so many times on this website but neither do the questions nor the answers satisfy my requirements accordingly. I'm yet to go to a university with a keen interest ...
0
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1answer
40 views

Euler's equation of the rigid body's dynamics - Vector form with rigid body's angular acceleration

I have the following Euler's equations (9.23) ($\omega $ is the rigid body's angular velocity, $\Omega$ is the angular velocity of the reference frame whose origin is fixed on the rigid body and whose ...
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0answers
23 views

What is the simplest possible explanation of the String Theory? [duplicate]

I was recently reading through 'The Little Book of String Theory' by Steven S. Gubser, and found it too complicated. Now, some people may say that the string theory is meant to be complicated as even ...
2
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3answers
74 views

Why is the concept of electric field lines needed to understand electric fields? [closed]

I am recently learning about electric fields. So I encountered the concept of electric field lines. As they are not real but imaginary lines. Why do we need them to understand electric field? I am ...
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0answers
21 views

Prerequisites on Yang Mills Theory [duplicate]

I was wondering of what kind of subject are necessary to study the Yang - Mills theory from basic university level. Can you suggest some good book for subject?
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0answers
17 views

Quantum field theory books for laymen? [duplicate]

I was watching David Tong's lecture on quantum field theory here and even as an almost complete beginner to university level physics, I understood most of it and it has made me very interested in ...
1
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2answers
31 views

Angular velocity of a body observed from a frame of reference fixed on the body

I have a body and the reference frames, one is the inertial reference frame O-xyz, the other is a non inertial reference frame O'-x'y'z' fixed on the body. The angular velocity vector of the body ...
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3answers
135 views

Why is physics taught as if measurement doesn't affect the thing being measured? [closed]

I've recently started my journey in understanding the math of quantum mechanics and I've noticed a strange pattern. (I'm not saying that the popular interpretation of quantum physics is wrong or ...
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1answer
49 views

Is there no law which includes an addition of different types quantities? [duplicate]

I haerd that we cannot add two different types quantities. Is there no law which includes an addition of different types quantities? In the future, maybe we find a law like this $$F = \frac{\...
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0answers
17 views

Any recommended resources for a total beginner with no real maths training? [duplicate]

I'm a philosophy student whose knowledge of physics is fairly piecemeal - I've read a few books (prominently Rovelli's Reality Is Not What It Seems) but want to know more. I don't currently have the ...
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1answer
56 views

Mathematics textbooks to understand Jackson electrodynamics

I want a very solid mathematics background that will make going through Jackson's text less challenging. What books would you recommend?
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1answer
46 views

Looking for a textbook on electromagnetism [duplicate]

I am looking for a free physics textbook on electromagnetism that wouldn't throw at me things to remember rather I'd love to have something which builds notions block by block, deriving coulomb's law ...
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votes
2answers
194 views

Explanation of charge for a student just entering physics [duplicate]

I am trying to understand charge what it is actually and how electrons have negative charge like suppose I assume that scientist assume protons have something because of which they behave like that (...
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0answers
23 views

Books recommended as requisites for understanding general relativity to the fullest? [duplicate]

Saw some questions here which asks for what a student should know but couldn't find a complete list of recommended books for the maths and physics one needs to know. The answers can serve as a journey ...
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0answers
28 views

Measuring Impact Force

My daughter is doing a project for school measuring the difference in impact force in softball with a mask vs without a mask. The systems I've looking into purchasing cost $1000. Please advise on how ...
2
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1answer
21 views

White Light Interferometry [closed]

I have arrived at a way to produce Arago’s spot with a quality white led flashlight. How would I go about writing a small educational paper on this? And, most of what I have seen on the web uses ...
0
votes
1answer
55 views

Does intuition really matter in the beginning of any new physics course? [closed]

Encountering some new courses like quantum mechanics, theoretical solid state physics and some other courses made me feel dumber than I ever felt.  Basically, I'm that kind of students who hate to ...
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2answers
58 views

Differential Equations for Physicists

I find differential equations in physics to be quite challenging so I'm looking for a book to help me master them. I'm familiar with solving ordinary differential equations via seperation of ...
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0answers
37 views

Quantum field theory notes recommendation [duplicate]

I am looking for either textbook or notes that thoroughly present problems and their solutions that arise in the basic Quantum field theory (Klein-Gordon, Dirac, Noether, interaction lagrangian and ...
1
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0answers
67 views

Pure math courses for physicists: Topology [closed]

I'm in my bachelor in physics. In a couple of weeks I start my last year, and I'm interested in taking some pure math courses. As you see, I like the theoretical point of view, but I don't know if the ...
1
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1answer
17 views

Elementary derivation for the minima of the interference pattern in the case of a thin wire without referring to the Babinet principle

For the single slit there is a well known elementary derivation along the following line: If the path difference $\delta$ between the elementary waves coming from the borders of the slit is one wave ...
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0answers
30 views

Book recommendation for second look at GR [duplicate]

Between Hawking & Ellis and Wald, which one would be the better choice to follow up a graduate-level course in GR (based off of Carroll's book)? If not either of those two, does anyone have any ...
0
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1answer
64 views

Definition of angular velocity vector of $B$ in $A$ - Strange notation

I found the following definition of angular velocity vector of B in A at page 49 of the book "Thomas R. Kane, Peter W. Likins, David A. Levinson - Spacecraft Dynamics - McGraw-Hill (1981)": The ...
1
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0answers
62 views

Easy To Learn Advanced Physics [closed]

I am a first-year undergraduate student and I am looking to do summer research in physics. By the time I finish this year I will have completed intro courses in Mechanics, Electricity and Magnetism, ...
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0answers
13 views

Physics Resources for Learning Physics intuitively and deeply,right from high school to graduate level? [duplicate]

I am Deeply Interested in learning physics from scratch And I am quite serious about it.Please recommend the right resources,books,lectures etc to learn physics from scratch.I lay a lot of emphasis on ...
0
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1answer
28 views

What skills are required to deal with almost every DC problem? [closed]

What skills do you recommend me to learn so that i can deal with almost every DC circuit problem and simplify any combination of resistors regardless how complex is it? Surely there's nothing magical ...
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0answers
22 views

Problems reading Ramond's book [duplicate]

I am currently going through Ramond's book Field Theory: A Modern Primer. I've found it however extremely difficult to solve the problems with the material presented. Does anyone have any ...
1
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2answers
88 views

Is there a good treatment of “familiar” physics using exterior calculus, AKA differential forms?

By familiar physics, I mean the physics of things I can reach out and touch. In other words, neither relativity nor analytical dynamics, etc. After re-reading chapter 4 of MTW's Gravitation yet ...
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0answers
18 views

Textbooks that can help me understand the basics of electrostatics and its mathematics [duplicate]

I am currently reviewing electrostatics in classical electrodynamics. I get to know the different mathematics behind each concept. Now, for mastery, I am looking for books that has detailed ...
3
votes
1answer
102 views

Challenging and “serious” introduction to basic physics [duplicate]

I know most of a standard US undergrad math degree - multi-variable calculus, real and complex analysis, point-set topology, basic abstract algebra, etc. etc. I know very little about physics beyond F=...
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0answers
21 views

Advice on learning general relativity better [duplicate]

Good people of this site...I have been trying to teach myself GR for a few months now. I have read and watched some lectures, read the book written by Cheng... Relativity, gravitation and cosmology......
1
vote
1answer
111 views

Quantum Mechanics reference book similar to Classical Electrodynamics by Jackson (without QFT)

Are there any good reference books for QM?, similar to Gravitation by MTW, Classical Electrodynamics by Jackson or Modern Classical Physics by Thorne and Blandford, preferably up to introductory ...
0
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1answer
88 views

References to learn about Majorana Zero Modes

I'm a masters student currently trying to learn about Majorana zero modes in condensed matter physics. But so far the references I have checked have been not really useful for learning. I even read ...
1
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2answers
86 views

Math needed for plasma physics? [closed]

I am curious about what kind of math is needed for studying plasma physics, especially for the magnetohrodynamics. I know there are lots of PDEs in plasma physics, but how about real analysis? Or ...
1
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0answers
65 views

Learning quantum mechanics with a strong mathematics background [closed]

Quick pedagogical question. If one were to have a substantial mathematics background prior to taking a undergraduate physics course in quantum mechanics, (say Grad. Real Analysis, Algebra, ...
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3answers
146 views

How to understand physics and formulas? [closed]

this question may sound weird but I have notised some similarities between many physics formulas like $Ek = \frac {1}{2} mv^2$ and $s = \frac {1}{2} at^2$. Is it just a coincidence or are the actually ...
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2answers
49 views

Introduction to Astronomy books

I am looking for a book that covers an introduction to astronomy. Currently, I am reading Introductory Astronomy and Astrophysics, by Zeilik and Gregory. However, I quickly noticed that it is much too ...
4
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1answer
65 views

(Apparent) Paradoxes in General Relativity [closed]

I find that studying the paradoxes of special relativity, such as the twin paradox, ladder paradox, and Ehrenfest paradox, and their resolutions, helps me to understand it. Are there any similarly ...