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 : kg, Boltzman constant : J/K, Planck constant: J.s)

• (A)0.34 Å
• (B)0.24 ÅCorrect
• (C)0.20 Å
• (D)0.44 Å