Projection vector of $\overrightarrow{a}$ on $\overrightarrow{b}$ is

Question

\[(A)\;\frac{\overrightarrow{a}.\overrightarrow{b}}{\mid \overrightarrow{b}\mid^2}.\overrightarrow{b}\quad(B)\;\frac{\overrightarrow{a}.\overrightarrow{b}}{\mid \overrightarrow{b}\mid}\quad(C)\;\frac{\overrightarrow{a}.\overrightarrow{b}}{\mid \overrightarrow{a}\mid}\quad(D)\;\frac{\overrightarrow{a}.\overrightarrow{b}}{\mid \overrightarrow{a}\mid^2}.\overrightarrow{b}\]