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Physics : Recent Questions and Answers (Page 109)

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

Gravitons and general relativity

First I want to say that I am a layperson, so I want intuitive answers. So all the 3 fundamental forces in nature has a carrier particle except gravity....

Asked on 08/15/2021 by Rounak Sarkar

3 answer

Torsion tensor and affine connection symbols

I have read tons of questions about this topic but I think my particular issue is not solved. If so, please let me know. So I want to prove that...

Asked on 08/15/2021

0 answer

How do I deduce the sign for the restoring forces in a system of N masses connected by N+1 springs?

Suppose we have a system of $N$ masses connected by $N+1$ springs, where the stiffness of the springs alternates between $k$ and $2k$. We assume N...

Asked on 08/15/2021

0 answer

Is there any importance to notations like $| Omega Vrangle$, $|aVrangle$?

I'm not really liking this notation. Before this notation, neither of bras and kets have any preference over the other. Either of $|Vrangle$ and $langle V|$ can be...

Asked on 08/15/2021

1 answer

Total charge in electron cloud in a hydrogen atom

Essentially, the problem I'm trying to solve is The potential at a distance $r$ from the nucleus that is generated by an electron in a ...

Asked on 08/15/2021 by VanDerWarden

1 answer

Treatment of "thickness" of medium for light traveling through a low-index medium and being reflected from the surface of a high-index medium

I am currently studying the textbook Modern optical engineering, fourth edition, by Warren Smith. Section 1.5 Interference and Diffraction says the following:Now if the waves arrive at C in phase,...

Asked on 08/15/2021

2 answer

What happens when ice and water are placed together at the same temperature in an isolated system?

Suppose ice and water (not necessarily of the same mass) are both at $0^{circ}$C and placed into a perfectly insulated, sealed container so that it is filled completely. If...

Asked on 08/15/2021 by DarthBaguette

1 answer

Are the conducting electrons in a metal counted as free or bound charges?

Caused by another question on the propagation of EM waves in a metal, I got a bit confused on the notion of free and bound charges in a metal...

Asked on 08/15/2021 by Lagrangian

2 answer

Does anyone know where I can find values of gravity?

Does anyone know where I can find the values of gravity at different places across the globe and at different heights? I am doing an assessment on gravity and can't...

Asked on 08/15/2021 by Simo12343

0 answer

Measuring sum of angles of triangles on different curvature

I was reading Richard Feynman’s Six Not so Easy pieces where I came across the concept of measuring geometric shapes drawn on different curved surfaces like the ones with negative...

Asked on 08/15/2021

1 answer

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