If electron in ground state of H-atom is assumed in rest then dipole moment of electron proton system of H-atom is ............... . Orbit radius of H atom in ground state is `0.56 A^o` .
Options:
(a) `0.253×10^(-29) cm`
(b) `0.848×10^(-29) cm`
(c) `0.305 ×10^(-29) cm`
(d) `1.205×10^(-28) cm`