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Pascal's principle state that if an external pressure is applied to a confined fluid, the pressure at every point within the fluid increases by that amount. Is there a...
Asked on 02/27/2021
3 answertoday I was studying from Landau and Goldstein and I came with this problemCross section of elastic scattering in repulsive central potential field $U(r)=frac{alpha}{r}+frac{beta}{r^2}$, where $alpha$, $beta>0$My...
Asked on 02/27/2021
0 answerConsider the case where a P-type semiconductor and an N-type semiconductor are placed in perfect vacuum. Now, the two junctions are brought together.In the time immediately after they are brought...
Asked on 02/27/2021
0 answerFor electron-positron interactions, we have different cross sections, depending on the available reaction energy. To get an overview how many particles of a certain type have been created, we can...
Asked on 02/27/2021 by pantheon
2 answerWhat exactly is the underlying mathematical structure of e.g. an electron in Loop-quantum-gravity? And is there a simple way to get the quantum mechanical limit so that one can see...
Asked on 02/27/2021
0 answerIn optical fibres we reflect light by the use of total internal reflection (TIR). I know there will be some energy loss in optical fibres if we use mirrors but...
Asked on 02/27/2021 by Saksham Jain
1 answerAs mentioned, I have equations for both the dew and bubble point curves, T(P) or P(T) and also rho(T), rho(P). I also know the actual pressure, and enthalpy of the...
Asked on 02/27/2021 by casualguitar
0 answerI am learning about angular momentum and I have a confusion. According to the guidelines of the website, I am not here just randomly asking random questions without thinking. In...
Asked on 02/27/2021 by Ritanshu
1 answerA hollow spherical shell has inner radius $a$, outer radius $b$ and is made with a material with dielectric constant $epsilon_r = epsilon / epsilon_0$....
Asked on 02/27/2021
0 answerI'm working on a science fiction story and would like to introduce lasers as a weapon. I've read a bit about the effect of very high energy breams in air...
Asked on 02/27/2021 by anthony van dalen
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