cse • paper_1 • electrodynamics
[UPSC CSE 2023] Electrostatics and Magnetostatics (Q34, 15M)
A neutral atom consists of a point nucleus +q surrounded by a uniformly charged spherical cloud (-q) of radius r. Show that when such an atom is placed in a weak external electric field \vec{E}, the atomic polarizability of the atom is proportional to the volume of the sphere.
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