Find answers to your questions about Physics or help others by answering their Physics questions.
For a single-component system, why are the energy, volume, and number of particles sufficient for describing the thermodynamics of the system? Why just three variables and those three variables in...
Asked on 02/26/2021
2 answerI have been researching Brownian motion for a while and have come across terms/types of Brownian motion such as fractional, geometric, and Brownian motion with drift. I understand the physical...
Asked on 02/26/2021 by CMTT
0 answerWhat is the interpretation of the Feynman's propagator $$D(x-y) :=langle 0 |phi(t,x)phi(t',y)|0rangle~?$$ As far as I understand, it is the following. $|D(x-y)|^{2}$ is the probability...
Asked on 02/26/2021 by MathMath
0 answerI'm unsure of what exactly is changing the heat transfer direction in the following triangular fin:$$q_{x} = -kA(x)frac{mathrm{d}T(x)}{mathrm{d}x}tag{1}$$$$begin{align}q_{x+mathrm{d}x} &= q_{x}+frac{partial q_{x}}{partial x}mathrm{d}x&=-kA(x)frac{mathrm{d}T(x)}{mathrm{d}x}...
Asked on 02/26/2021 by xsr
1 answerI have a question about the stability, unstability (and extra questin about metastability, between the spinodal lines if you have time), when we are having a liquid gas phase transition....
Asked on 02/26/2021
1 answerFor background, I am not very mathematically sophisticated with QFT, but have been trying to get a conceptual grounding. In his Biggest Ideas series, Sean Carroll discusses the idea that...
Asked on 02/26/2021
0 answerI have done the measurements of paralle plate capacitor with HM8018 LCR meter to measure capacitance and later, with known parameters such as surface area and separation distance, calculate permittivity...
Asked on 02/25/2021 by PorinsR
1 answerWhat is the general method to compute the $2 to 2$ scattering cross section given an arbitrary Lagrangian ? I would like a step by step recipe that can...
Asked on 02/25/2021
0 answerIn chapter 4 of the book Quantum fields in curved space by Birrell and Davies, the authors provide a derivation of the Casimir energy for a massless scalar field (in...
Asked on 02/25/2021
0 answerWe did a classical Hall Effect experiment where we measured Hall Coef. given by $R_H=frac{E_H}{Jcdot B}$. The setup was a rectangular Germanium semiconductor placed perpendicular to a magnetic field generated...
Asked on 02/25/2021
1 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP