When r, p and M represent rate of diffution, pressure and molecular mass, respectively, then the ratio of the rates of diffusion (rA/rB) of two gases A and B, is given as :–
(a) (pA/pB)1/2(MA/MB)
(b) (pA/pB)(MB/MA)1/2
(c) (pA/pB)1/2(MB/MA)
(d) (pA/pB)(MA/MB)1/2