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Physics : Recent Questions and Answers (Page 671)

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

Effect of static magnetic field on metal plate

What happens when we introduce a static magnetic field perpendicular to a metal plate? I feel that due to presence of free charges in metal plate and since it's at...

Asked on 01/07/2021 by Razor

2 answer

Aharonov-Bohm Effect and the Berry Phase: gradient of a line integral of a vector field

I need some advice on how to perform the gradient of a line integral of a vector field. My problem refers to the Aharonov-Bohm Effect as it is discussed in...

Asked on 01/07/2021 by Ykmo-v

1 answer

Why is this system isolated?

(Image updated for clearance) Hello, Assuming that there is no friction anywhere and both box 1 and ramp 2 start at...

Asked on 01/07/2021 by Jin Bae

1 answer

An equation for chemical potential from the Boltzmann entropy equation

I am trying to derive an equation for chemical potential from Boltzmann entropy and this is what I have come up with so far: $$S = kln{left(frac{N!}{N_mathrm{up}!,N_mathrm{down}!}right)} label{eq:1} tag{1}$$ and...

Asked on 01/07/2021 by Thor of University Mitguard

1 answer

How does the redshift - distance graph show the rate of expansion of the universe at every moment in time?

By plotting the graph of redshift against the distance of the object from earth, we are able to obtain a best-fit curve showing the relationship of redshit against the distance....

Asked on 01/07/2021 by Jason bon

1 answer

Why is there a hiss sound when water falls on a hot surface?

Why is there a hiss sound when water falls on a hot surface? I have searched a lot, asked my teachers but none of them seem to give me...

Asked on 01/07/2021 by Atif Imran

4 answer

What is the difference between electrons and holes in silicon?

Electrons and holes behave differently in a silicon semiconductor (e.g. mobility of holes is one order of magnitude smaller than that of electrons, the collection time of holes at the...

Asked on 01/07/2021 by Juanjo

3 answer

Which Photon would win the race?

Imagine that the Sun is not rotating. It also has a tunnel throughout its body exactly through the core. Please disregard any...

Asked on 01/07/2021

3 answer

Should we trust quantum mechanics for working of the mirrors?

In this video, it is explained that it is not necessary that photons obey the laws of reflection and each photon can take any possible path to...

Asked on 01/07/2021

4 answer

How to calculate uncertainties of a natural exponential function?

(I apologize if this should be posted in mathematics, however I chose to post it here as it's technically about physics) I conducted an experiment in which position of items...

Asked on 01/06/2021 by DarkLightA

1 answer

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