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Physics : Recent Questions and Answers (Page 581)

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

Resolving horizontal and vertical components on an inclined plane

Here is a very simple mechanics question related to inclined planes: We assume that the body is at equilibrium or...

Asked on 02/09/2021 by BleedObsidian

4 answer

How do electron holes have spin, and how do they interact with "real" particles / vice versa?

So, I thought I had an uneasy truce with quantum mechanics but I read something today which made spotted combat flare up in my mind again. In solid state semiconductor...

Asked on 02/09/2021 by Stian Yttervik

1 answer

Do orbitals of electrons line up in external magnetic field?

If a current carrying loop is in external magnetic field it feels the force and moves to its equillibrium position. Similarly, in quantum level will electrons revolve nucleus in a...

Asked on 02/09/2021

1 answer

How can we use the electrostatic boundary conditions for electromagnetic waves?

The boundary conditions for an electromagnetic wave passing from one linear dielectric media to the other (both having no free charges or current) are taken as: $$B_{perp_1} -B_{perp_2} =0$$...

Asked on 02/09/2021

1 answer

Acceleration due to a force applied outside the center of mass

I'm having a doubt with the following problem:A uniform bowling ball of radius R and mass M is initially launched sothat it is sliding with speed...

Asked on 02/09/2021 by Invenietis

3 answer

Pressure inside water vs. atmospheric pressure

Is the pressure inside a body of water different from the atmospheric pressure nearby? Is it less pressure or more?...

Asked on 02/09/2021 by user137288

1 answer

What is the atmospheric neutrino oscillation length scale associated to the LSND?

When reading Sterile neutrinos, hot, warm and cold dark matter, there is a discussion about framing $nu$ (neutrino) oscillation solutions into a 3$nu$ framework. And...

Asked on 02/09/2021

0 answer

Green functions and density matrix

#tl;dr#The single particle density matrix is directly related to NEGF as shown here, I wish to find a way to relate NEGF also to density matrices...

Asked on 02/09/2021

1 answer

Magnetization for Paramagnetic Materials

If we consider the magnetization for paramagnetic materials, then we obtain $$M = -nfrac{partial F}{partial B} propto B_J(x),$$ where $$x equiv gleft( JLSright) cdot J cdot frac{mu_Bcdot B}{k_B...

Asked on 02/09/2021

1 answer

Is an atomic clock itself affected by gravity?

Sometimes I read that only time flows at different rates in different conditions when atomic clocks shows a different time compared to atomic clocks at altitude. But sometimes I read...

Asked on 02/09/2021

4 answer

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