Physics

Problem

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} \text{ kg}

, Boltzman constant:

1.38 \times 10^{-23} \text{ J/K}

, Planck constant:

6.63 \times 10^{-34} \text{ J.s}

) a. 0.24 Å b. 0.20 Å c. 0.34 Å d. 0.44 Å

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