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Physics : Recent Questions and Answers (Page 525)

Find answers to your questions about Physics or help others by answering their Physics questions.

Classical scattering cross section and attractive potentials

If I want to calculate a scattering cross section $sigma$ for a classical central potential $V(r)$, the first thing to do is to obtain an expression for the...

Asked on 02/28/2021 by Asasuser

1 answer

Does doping affect the number of band states?

Does doping a semiconductor with acceptor impurities affect the number of states in the valence and conduction bands? How about doping with donor impurities? It seems to me, that in...

Asked on 02/28/2021

1 answer

Fourier Analysis for Physicists

My professor wanted me to master these topics from Fourier Analysis. I need a resource where these topics are discussed in brief. Although i know many of the topics in...

Asked on 02/28/2021

1 answer

Are fields projections in spacetime of higher dimesions?

I am initiating my learning on QFT and my question might be really basic, but I am having difficulties finding an answer, I would appreciate any help to find this...

Asked on 02/28/2021 by Andressa

0 answer

Do airplanes circulate the air sideways in flight?

When airliners fly through clouds it looks like they are circulating the air sideways. See Image. The wings are pushing...

Asked on 02/28/2021

1 answer

Can you explain tides in our water bodies with respect to Theory of General Relativity and spacetime curvature?

We read everywhere that Moon's "gravitational pull" causes tidal waves. Is there any explanation of this "gravitational pull" in terms of General Relativity and curvature of spacetime? And how does...

Asked on 02/28/2021 by the-unreal

2 answer

Geodesics in an Alcubierrie Warp Drive metric

The geodesics in an Alcubierrie Warp Drive metric are given by$$dot{t} = 1 quad dot{x} = Xdot{t} quad y, z = text{constant}$$ where $X = dot{x}_s(t) f(r_s)$....

Asked on 02/28/2021 by user44690

0 answer

Angular momentum about a point in translation

Consider the following question which was asked in JEE Advanced 2016: Consider the first option(which is the third option here) In the video linked...

Asked on 02/28/2021 by newbie105

1 answer

Why do we sometimes refer to the solar wind as young solar wind?

Why do we sometimes refer to the solar wind as young solar wind? What does young imply?...

Asked on 02/28/2021

1 answer

What is the definitive evidence we have that quantum theory's probabilistic nature is physical and not epistemic?

For example does superposition or wavefunction really occur in the physical quantum world or is it only a property of the quantum theory's framework and formalism to help us to...

Asked on 02/28/2021 by Markoul11

2 answer

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