According to Graham's law at a given temperature, the ratio of the rates of diffusion r_(A)//r_(B) of gases A and B is given by

According to Graham's law at a given temperature, the ratio of the rat

1.	According to Graham's law at a given temperature, the ratio of the rates of diffusion r_(A)//r_(B) of gases A and B is given by
Answer» <P>`(P_(A)//P_(B))(M_(A)//M_(B))^(1//2)` `(M_(A)//M_(B))(P_(A)//P_(B))^(1//2)` `(P_(A)//P_(B))(M_(B)//M_(A))^(1//2)` `(M_(A)//M_(B))(P_(B)//P_(A))^(1//2)` ANSWER :A