Dual Nature of Matter and Radiation: JEE Main 2020 Physics question

Assuming the nitrogen molecule is moving with r.m.s. velocity at 400 K, the de-Broglie wavelength of nitrogen molecule is close to : (Given : nitrogen molecule weight : 4.64 $\times$ 10^–26 kg, Boltzman constant: 1.38 $\times$ 10^–23 J/K, Planck constant : 6.63 $\times$ 10^–34 J.s)