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.

learn more… | top users | synonyms (1)

3
votes
1answer
73 views

What topics do I need to study electromagnetism on the quantum scale? [closed]

What topics do I need to study (in order) so that I can study electromagnetics on the quantum scale? What is the name of the discipline studying electromagnetism on the quantum scale? Do I need to ...
3
votes
4answers
400 views

Why do physics students find vectors so difficult to deal with? [closed]

When I teach introductory physics to undergraduates, I find that although the classes are frequently split into "algebra-based" and "calculus-based" sections, the most difficult concept for any of ...
4
votes
2answers
121 views

Physical examples where changing the order of limits yields wrong result [closed]

In mathematics it is generally not allowed to change order of limits. For example it is not always true for a sequence of functions $f_n$, that $\int_a^b \left(\sum_{n=0}^\infty f_n(x) \right) dx = ...
1
vote
1answer
64 views

Textbook for relativity: modern version of Bondi's Relativity and Common Sense?

I am looking for a textbook on relativity for school children. A background in simple vector based mechanics could be assumed. Primarily it needs to be readable at high school English reading level ...
3
votes
3answers
333 views

Simple real-life examples of Fermi's golden rule?

I want to teach my students some simple applications of Fermi's Golden Rule. Unfortunately, most examples I can think of are in scattering theory, which they have not learned yet. Are there any ...
0
votes
1answer
31 views

Torque on shaft

Consider a generator which supply power using a shaft to a turbine. The torque applied on shaft by generator is $T$. As the shaft has constant angular velocity the turbine should also be applying ...
3
votes
2answers
98 views

Introducing angular momentum for the first time to a class

What is the best way to introduce the notion of angular momentum to a class without making it appear an unnecessary and artificial construction?
3
votes
2answers
118 views

Are Mathematics the language of the universe? [closed]

I am a high school student and next year i am going to be a physics major, so this year i put all my effort on physics and mathematics, since it a great tool for physicists. But now i wonder, in ...
2
votes
0answers
76 views

What is the true fundamental 'stuff' of physics? [closed]

It seems to me that most if not all of the publications and the institutional education of physics 'jump in' and start describing detailed phenomena without spending too much time describing and ...
1
vote
1answer
142 views

What kind of math is used in QFT? [duplicate]

What branch(es) of math are used in Quantum Field Theory? Or the question, by way of analogy: Tensor Calculus is to General Relativity as What is to Quantum Field Theory?
0
votes
2answers
53 views

Is there a (cheap) optical resonance demonstration using visible light?

I'm looking for a impressive, inexpensive lecture demonstration of optical standing wave resonance. Preferably visible light. Can anyone suggest such a demo?
1
vote
0answers
42 views

Where can I find a structured presentation of the equations of physics? [duplicate]

I recently realized how odd it is that studying physics has never been able to hold my interest despite how interesting I find physics. I came to the conclusion that it is because I've always felt ...
1
vote
0answers
117 views

Using a role-play to teach ohm's law

An education research project: can a role-play be used to help understand Ohm's Law? I need to have this analogy checked for scientific validity. A group of 25 primary children will participate, with ...
2
votes
1answer
49 views

Prerequisites for Ptolemy's Almagest

I hope this is a valid question to ask on this website (since it's astronomy and not e.g. mechanics, I wasn't so sure). What prerequisites are needed for fully understanding Ptolemy's Almagest. Fully ...
-1
votes
1answer
54 views

Simple question [closed]

How much of this can you understand and which videos or simplified ways would you suggest for me to understand more? http://www.youtube.com/watch?v=2rjbtsX7twc I understood about... 3%... I ...
2
votes
0answers
43 views

What topics should I develop complete concepts in before I begin the derivation of GR? [duplicate]

I had just been trying to understand GR but i just cannot understand where some of the formula of field came from. Apparently all those initial formula are from Newtonian physics so please anyone ...
0
votes
1answer
79 views

What is the best way to understand Physics? [closed]

What is the best way to understand Physics?
2
votes
0answers
74 views

Learning Roadmap to Mathematical Physics [duplicate]

Currently, I am a graduate student specializing in algebraic geometry. On the other hand, I have also become extremely interested in the mathematical physics. However, I am not sure what steps I ...
7
votes
1answer
108 views

Physics First: Where is Science Education Today?

Leon Lederman, a Nobel Prize winner in Physics and former director of Fermilab was a champion in 'Physics First', a principle in science education proposing Physics as the first course in science ...
-1
votes
1answer
181 views

Physics research topic for Undergraduate students [closed]

Can You tell me some research topics for 1st year undergraduate students? I am not getting how to make a research paper?
0
votes
0answers
29 views

Need advice for self study in physics [duplicate]

I need advice for self study in Physics. I have a good theoretical and practical background in math & statistics, but virtually no physics. My ultimate interest is cosmology / relativity / ...
0
votes
1answer
39 views

Motivating the importance of energy [closed]

I'm working on a project right now and part of the introduction is about energy, and I'm trying to introduce the notion of energy in an unconventional way. Right now, I am looking for examples of ...
2
votes
2answers
72 views

Thermographic camera - show for visiting school children

Next week a group of pupils (12-14 years old) will visit my institute. I would like to teach them about infrared radiation. Do you have any suggestion what kind of simply and impressive experiments I ...
2
votes
0answers
170 views

Mathematical Prerequisites for QFT [closed]

I am curious about which areas of mathematics one should be comfortable with before learning QFT. I am familiar with the "learn-it-as-you-go" approach often advocated in physics, but would like to ...
0
votes
0answers
30 views

Resources on Solar Neutrino Physics

For a project I'm doing for an introductory Astrophysics course, I'm trying to understand the nuances of solar neutrino physics. However, most of what is said while explaining neutrino oscillations ...
1
vote
2answers
168 views

Does one really need classical physics in order to understand quantum physics? [closed]

I want to start studying quantum mechanics, and then move to quantum field theory. I have a strong mathematical background, and I think this aspect of quantum physics won't be a problem to me. Though, ...
2
votes
2answers
172 views

How to find optical toy models of entangled quantum mechanical systems?

I recently read Arnold Neumaier's lectures on uncovering classical aspects of quantum mechanics: Classical and quantum field aspects of light Optical models for quantum mechanics I can't find the ...
2
votes
0answers
45 views

Mathematical books to become a successful mathematical physicists [duplicate]

My understanding of algebraic topology and Riemannian geometry come from Nakahara's Geometry, Topology, and Physics, which I do not think is sufficient. I am first year PhD student, and I want to do ...
1
vote
0answers
27 views

Problem books like I.E. Irodov for advanced physics [duplicate]

I really enjoyed doing problems from Irodov while learning introductory physics. But I am not able to find a book like that for Graduate level physics. Can you suggest me a book which has good (and ...
2
votes
0answers
79 views

Really Struggling in electronics. What to do? [closed]

This is my first post so please go easy on me. Okay. Let me introduce myself. I am a first year undergrad CS student who has to study basic electronic course for one semester. As the title says, I am ...
1
vote
0answers
75 views

Doing theoretical physics after an engineering major? [closed]

Some background: I'm majoring in Electronics and Instrumentation engineering, but I want to pursue theoretical physics. I'm currently In my second year of undergrad engineering. I attend some physics ...
0
votes
0answers
38 views

Im a high school finisher and I want to understand Physics theories [duplicate]

I have finished my A Levels (UK high school exam) , and I have studied Further Mathematics, Mathematics, and Physics in high school. I am really interested in learning about theories of Einstein, ...
1
vote
0answers
54 views

How can a biochemist become a physicist? [closed]

I am currently 22 years old, I graduated in Biochemistry and am now finishing my Master's in Bioengineering and Nanosystems, both with high grades. I've been thinking of leaving life sciences since ...
2
votes
2answers
74 views

Rectifying incomplete popular notions in cosmology

In looking at the answers to this question regarding light from distant galaxies ever being visible to us: Expansion of the Universe, will light from some galaxies never reach us? I came across a ...
3
votes
2answers
178 views

Looking for lists of student difficulties with electromagnetism, circuits (DC and AC)

I'm trying to help with an Instructor's Guide for an introductory calc-based physics text, and it would really help if I could locate some lists of typical student difficulties with topics like ... ...
1
vote
0answers
96 views

Is mechanics needed in order to learn electromagnetism? [closed]

I'm a college student who wants to learn physics. I want to get started with electromagnetism as soon as possible. Is it okay to skip over mechanics, or is mechanics a big requirement before starting ...
1
vote
0answers
56 views

Study Basic Quantum Mechanics [duplicate]

What is the appropriate mathematical background someone must attain in order to enroll in a quantum physics course for beginners?
0
votes
0answers
32 views

Why do physical bodies in the universe follow the law of physics ( or any rule/pattern ) ? [duplicate]

Why do physical bodies in universe are bound to follow a rule ( eg. laws of physics ) ? Is their any imaginary condition possible, where they stop following any rule. And everything becomes random ? ( ...
10
votes
3answers
278 views

Why is fundamental physics taught in terms of particles?

According to this paper, there can be no relativistic quantum theory of localizeable particles ("relativity plus quantum mechanics exclusively requires a field ontology"). Sean Caroll has also argued ...
10
votes
3answers
1k views

How accurately can I expect to measure the gravitational constant with a club of college students?

I am a math instructor with almost no experimental physics background, but I run a math and engineering club that is interested in doing some experiments. I have read up a bit and see some obvious ...
1
vote
2answers
75 views

Length contraction and simultaneous length measurements

I am just working through an argument from Halliday Resnick to derive the Lorentz contraction (see quote below). Some paragraphs before this, the authors note that: If the rod is moving, ...
1
vote
0answers
157 views

How should a math undergrad student prepare himself to study GR and QM? [duplicate]

I'm quite sure that similar questions like this have been asked for more than thousands of times on here but since each person's background and interests are unique I believe questions like this ...
4
votes
2answers
177 views

Counting Problems in Physics

What are some classic counting problems in physics? I'm trying to think of interesting examples to give in a math class on the matter, and I feel as if physics should have some ones to offer.
3
votes
4answers
733 views

In which field of mathematics do I learn path integrals?

I don't mean line integrals, I am talking about path integrals or functional integrals like the ones that Feynman introduced to quantum mechanics. And what are the prerequisites to this field of ...
4
votes
1answer
116 views

What kind of free energy do we use for a superconductor in a magnetic field?

My reasoning is as follows (using Gaussian units): Start from the second law: $$dU=TdS+dW,$$ where $dW$ is the work done by the magnetic field. To derive $dW$, we consider a solenoid with current ...
1
vote
0answers
52 views

On becoming theoretical physicist [duplicate]

I'm a high school student. I'll start self learning of physics and maths. I want to be theoretical physicist. I'm especially interested in gravitational physics. I wonder which website advice below is ...
0
votes
0answers
31 views

Required skills for a scientist [duplicate]

I wanna become a scientist, so wanna improve my skill like problem solving etc. Could you suggest me some more skills which I need to improve.
1
vote
1answer
197 views

How do I develop a deeper understanding of physics? [closed]

I'm thinking about majoring in physics, but I don't think my background is really strong at the moment. I've completed the standard first year math and physics sequence (multivariable ...
1
vote
0answers
84 views

Which are the good universities for doing PHD in computational physics? [closed]

Currently i am doing MSC(physics) from Pune university, India. And I want to do PHD in computational physics as it interests me the most. So I want to know which universities will be a good option for ...
1
vote
0answers
138 views

Is it possible to do a PhD in theoretical physics after a BSc in Mathematics [closed]

I would like to ask if it is useful to have a solid maths background (but only 2 courses of "general physics" and 2 of "mathematical physics") as BSc in order to be a successful researcher in ...