Three gases A, B and C are at the same temperature. If their r.m.s. speeds are in the ratio of \(1:\dfrac{1}{\sqrt{2}}:\dfrac{1}{\sqrt{3}}\), then their molar masses will be in the ratio:
1
\(1 : 2 : 3\)
2
\(3 : 2 : 1\)
3
\(1:\sqrt{2}:\sqrt{3}\)
4
\(\sqrt{3}:\sqrt{2}:1\)