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Thermal cameras designed to image wavelengths between 7-14µm (which is the peak for blackbody radiation around "room" temperatures) use lenses made of germanium, zinc sulfide, zinc selenide, or various...
Asked on 10/05/2021
1 answerHere is a question >Two wires A and B of same material and mass have their lengths in the ratio $1:2$ .On connecting them to the same source ,...
Asked on 10/05/2021 by Jdeep
2 answerI'm referring to these lectures on the Renormalization Group and more precisely the figure of the RG flow for the $phi^4$-theory on page 18. The Lagrangian in the...
Asked on 10/05/2021 by Anne O'Nyme
3 answerI've been googling around and I can't find any direct explanation of why N2 TEA lasers are never shown to be used to demonstrate optical(dielectric?) breakdown or sparks in the...
Asked on 10/05/2021 by pixelsnpings
1 answerThis is the original question:The space between two parallel infinite planes $ x=0 $ and $ x=L $ is filled with charge of the density $ rholeft(xright)=ax^{2}left(L-xright)...
Asked on 10/05/2021 by DirichletIsaPartyPooper
2 answerI read, that for normal diffusion the root mean square displacement $sqrt{langle x^2(t)rangle}$ (for particles at the origin) can be interpreted as the mean distance the particles have with...
Asked on 10/05/2021 by Roger.Bernstein
0 answerSuppose that the electrons move with a speed of 0.0005 mm/sec in the copper wires. Do the electrons move with the same speed in the tungsten filament as well? This...
Asked on 10/05/2021
1 answerIf we are living in a portion of space-time where the metric is very close to flat space and we know that the stress energy tensor is negligible at this...
Asked on 10/05/2021 by MrDi
1 answerThe scenario I am putting forward is something like this: Can the string really be perfectly straight and horizontal as shown...
Asked on 10/05/2021
3 answerThe standard way of describing neutrino oscillations seems to be that the mass eigenstates differ from the flavour eigenstates, which leads to an oscillation of neutrino flavour over time. However,...
Asked on 10/05/2021 by C. O'Neill
3 answerGet help from others!
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