What is observed when : (i) A beam of light is passed through a colloidal solution ? (ii) Electric current is passed through a colloidal solution ?

Question

$\begin{array}{1 1} \text{(a)(i) The colloidal particle get precipitated at one of the electrodes. (ii) Tyndall effect is observed.} \\ \text{(b) (i) Tyndall effect is observed. (ii) The colloidal particle get precipitated at one of the electrodes.}\\ \text{(c)The colloidal particle get precipitated at one of the electrodes in both the case.} \\(d)\;\text{None of the above} \end{array}$