Molecule $AB$ has a bond length of $1.617 A^{\circ}$ and a dipole moment of $0.38\;D$. The fractional charge on each atom (absolute magnitude) is : $(e_0=4.802 \times 10^{-10}\;esu)$

Question

$\begin{array}{1 1} 0 \\ 0.05 \\ 0.5 \\ 1.0 \end{array} $