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I'm reading about why the Rayleigh-Jeans formula failed to explain blackbody radiation curves. The Rayleigh-Jeans formula:$$E = kTleft(frac{8pinu^2}{c^3}right)$$ I see explanations saying that the part of...
Asked on 03/02/2021
2 answerI am trying to understand how current can flow through a dipole antenna (with length $frac{lambda}{2}$ or anything else) which actually is nothing more than an open wire. Could someone...
Asked on 03/02/2021 by privetDruzia
6 answerLet's say we have two completely identical cylinders of some ideal gas (same $P,V,T,n$, etc...), and we just want to double each one's volume.First CylinderThe first cylinder undergoes a...
Asked on 03/02/2021 by ManRow
1 answerI've been looking through different Pdfs /articles on strong coupling constant and nearly all of them involve cross section, I've understood what cross section is but not how is it...
Asked on 03/02/2021
2 answerIs this statement correct? I intuitively believe it is wrong. Simplest example would be shooting a bullet. I just read this from my little brothers textbook. Is the textbook garbage...
Asked on 03/02/2021 by Jerry Cohen
3 answerI'm trying to prove that the Wilson loop operator is well-defined in non-interacting quantum electrodynamics without matter, that is, $hat{W}(gamma)$ is a bounded operator on the Hilbert space. Since...
Asked on 03/02/2021 by Prof. Legolasov
2 answerI have been using a formula to calculate how much heat needs to be generated by a pipe in order to raise the temperature of the water flowing through the...
Asked on 03/02/2021
0 answerI'd like to preface this by saying that I am not talking about glowing caused by the heat generated from air resistance. Instead lets just say that the hypothetical object...
Asked on 03/02/2021
1 answerThe system is in equilibrium, and the following discussion occurs after spring-1 is cut. Now, as soon as spring-1 is...
Asked on 03/02/2021
3 answerI am tasked with solving this question but am facing some intuition difficulty. consider this system: The empty circle signifies...
Asked on 03/02/2021 by doraviv
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