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# In the motion of an electron around the nucleus of an atom, the electron is under the effect of perpendicular electric field. The electron in its orbit follows inverse square law , i.e $F \alpha \large\frac{1}{r^2}$ where r is the radius of the orbit. What will be the dependence of time period T of an electron in its orbit if $F \alpha \large\frac{1}{r^n}$?

$T \alpha r^{n+1/2}$