question_answer

Number of particles is given by \[2{{a}^{3}}\]crossing a unit area perpendicular to X-axis is unit time, where \[\sqrt{5}-\sqrt{6}\] and \[\sqrt{5}+\sqrt{6}\]are number of particles per unit volume for the value of x meant to \[\sqrt{5}\pm \sqrt{6}\]and \[5\pm \sqrt{6}\]. Find dimensions of D called as diffusion constant.

A) \[2x+3y-14=0\]                

B) \[\frac{7}{\sqrt{5}}\]

C) \[\frac{7}{\sqrt{13}}\]                   

D) \[\sqrt{5}\]