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In this ray diagram the image formed seems to be real with the given position of the eye. I have learnt that plane mirrors cannot form...
Asked on 06/06/2021 by HyperFluxx
3 answerI was working with a derivation of Maxwell-Boltzmann statistics occupation probability today and I got this problem with the constraints: We know that the particle number is conserved when we...
Asked on 06/06/2021 by IndischerPhysiker
1 answerFigure shows a loop falling down through a constant magnetic field which points into the screen.Due to the Lorentz Force a magnetic force is present on the top part...
Asked on 06/06/2021
1 answerI have been reading about the exclusion principle a little bit, but I have some questions about it. How does the information about the state of electrons get "passed around"...
Asked on 06/06/2021
5 answerIn David Tong: Lectures on General Relativity in section 6.2.5 there's discussion of extremal black holes. Metric takes the form: $$ds^2 = -left(1 - frac{GM}{r}right)^2...
Asked on 06/06/2021
2 answerKinematic theory and dynamical theory of x-ray (or electron) diffraction. Why such names are given to scattering theories ? Does it have any connection to Kinematics (of Galileo) and Dynamics...
Asked on 06/06/2021
1 answerI am reading Polchinski's text book STING THEORY.In the above of eq.(12.3.8), the differential $D_theta = partial_theta + thetapartial_z$ is defined andbegin{equation}D_theta = D_thetatheta'partial_{theta'}...
Asked on 06/06/2021
1 answerI had thought that increasing tension on a string increases the frequency and thus decreases the wavelength. My book says otherwise. Which is correct? ...
Asked on 06/06/2021
3 answerEveryone loves Bloch sphere, but which paper of Bloch was it introduced? The Wikipedia article on Bloch sphere (here), as of 17/May/2021 links to ...
Asked on 06/06/2021 by Yuji
2 answerWhy isn’t heat current written as $textrm{d}Q/textrm{d}t$ and why only as $Delta Q/ Delta t$?...
Asked on 06/06/2021
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