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SO brightness of bulb. Does it depend on the resistance or current in it?I have two bulbs keeping everything same except resistance. So Bulb A - high resistance Bulb...
Asked on 10/15/2020
2 answerLet's suppose we have a point charge with no dimensions (zero volume and surface area) absorbing photons from Sun. Does it change the amount of photons and energy absorbed when...
Asked on 10/15/2020
4 answerIf there was an M2-brane with the topology of a sphere. Then I can't see why there are not the same thing? They both have the same topology if we...
Asked on 10/15/2020
1 answerThe entropy of a system of an ideal gas depends on the external parameters $U, V, N$. I always thought entropy is defined by a certain macrostate, which is...
Asked on 10/15/2020 by racctor
3 answerSuppose we have a bipartite lattice( A and B).By tuning some parameters in the Hamiltonian, we get a region of parameter space where sublattice magnetizations, $m_{A}$ and ...
Asked on 10/14/2020 by Annie
1 answerSo as I understand it, the mechanism for the strong force is that quarks emit/exchange gluons. Similarly, quark-anti-quark pairs are what pass between nucleons in an atom causing them to...
Asked on 10/14/2020
0 answerOk, so after I've read a few (around 50 :P ) articles on subject of black holes. There are a few gaps in my understanding of it. Please follow my...
Asked on 10/14/2020 by Coco
1 answerI tutor some high school students, mostly in math but occasionally in Physics as well; I love the science but only took it through the high school level plus a...
Asked on 10/14/2020
0 answerBackground The Rayleigh criterion of imaging resolution says that two incoherent point sources are barely resolved by a diffraction-limited system with a circular aperture where the center of the Airy...
Asked on 10/14/2020
1 answerThe formula for change in potential energy of a system made up of object A and B is: change in potential energy of system = - (dot product of [conservative...
Asked on 10/14/2020 by Pranav Jain
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