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While looking at some exercises in my physics textbook, I came across the following problem which I thought was quite interesting:It is possible for the electron beam in a television...
Asked on 01/25/2021 by wrongusername
5 answerIf the container is filled with the fluid and we want to measure the on one of its vertical wall. As we know the pressure increases with depth. Pressure on...
Asked on 01/25/2021 by Hassaan Ahmad
0 answerI know that in many case, just crashing a naked nucleus with an electron does not reduce the proton number of that nucleus, but the electron just start orbiting the...
Asked on 01/25/2021
0 answerI have read this question: Why is the sky blue and the sun yellow? where John Rennie says:The only light we see directly from the Sun is the light...
Asked on 01/25/2021
1 answerIt is known that its zero-energy value is the fine-structure constant α, about 1/137.036.Various sources state that the running value is in the 1/129-1/127 range at the...
Asked on 01/25/2021 by N.K.
1 answerI'm confused as to how quantum fields are defined mathematically, and I've seen from questions on this site and Wikipedia articles that classical fields are just functions that output a...
Asked on 01/25/2021 by Oliver Gregory
4 answerIf air resistance is neglected, the object issaid to be in free fall. If the height throughwhich the object falls is small compared to theEarth's radius, ...
Asked on 01/25/2021 by user268940
4 answerThis question may be pretty naive. But I wanted to confirm it anyway. Also if people can tell me more about this fact, I will be grateful. I am looking...
Asked on 01/25/2021 by user122637
1 answerWhat does it mean that an M2 brane is a solution of 11D supergravity? Does this mean that there is some sort of black hole whose singularity is stretched out...
Asked on 01/25/2021
0 answer$newcommand{d}{mathrm{d}}$In $d=2p+1$ dimensions one can have topologically massive $p$-form abelian gauge fields $AinOmega^p(X_{2p+1})$ by considering a Maxwell–Chern–Simons action:$$S[A] = int_{X_{2p+1}} frac{1}{2g^2}d Awedgestard A +...
Asked on 01/25/2021 by ɪdɪət strəʊlə
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