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Questions related from Arbab Ibrahim Arbab
A material found where electric field induces a magnetization, and a magnetic field induces a polarization. This is against the ordinary material where polarization is induced by electric field....
09 May 2017 5,413 4 View
The refractive index is obtained owing to classical electrodynamics. Is there any way to know how much momentum the electron gains when light incident on a dielectric material? How does the...
06 April 2017 2,373 3 View
A moving electron has both electric and magnetic fields that are perpendicular to its velocity direction. Does the electric field create a torque on the electron? If so what is that torque? Does...
03 April 2017 7,250 7 View
It is found recently that the core of neutron star is in a state of superfluidity (superconductivity). How much the electric conductivity of white dwarf and neutron stars as compared to normal...
12 March 2017 223 2 View
Einstein's energy-mass equation E=mc^2 connects matter to energy. And since energy (light) is an electromagnetic wave, should we hypothesize that matter to have electromagnetic origin? If yes, we...
09 March 2017 2,577 12 View
In Dirac theory the electron has a spin degree of freedom. The question is: Do electric and magnetic fields created by an electron in a given frame of reference depend on the electron spin? If...
01 March 2017 952 7 View
The atom is neutral and the number of electrons it accommodates depends on the total charge of the nucleus. Is there any gravitational law that gives the total number of planets that a given star...
21 October 2016 7,507 3 View
The optical conductivity measures the response of the material to light. It thus depend on the light frequency. It also depends on the absorption coefficient that depends on the refractive index...
22 December 2015 9,942 3 View
Biot-Savart law gives the local magnetic field produced by moving charges. It doesn't distinguish whether the particle (charge) is fermion or boson, thought it implies implicitly that the particle...
30 October 2014 6,621 6 View
