Assuming the nitrogen| KTG & THERMODYNAMICS | JEE-Main 2020

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JEE MAIN 2020

06-09-2020 S2

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 : $4.64 \times 10^{-26} \mathrm{~kg}$, Boltzman constant : $1.38 \times 10^{-23} \mathrm{~J} / \mathrm{K}$, Planck constant : $6.63 \times 10^{-34}$ J.s)

Select the correct option:

A

0.24 Å

B

0.20 Å

C

0.34 Å

D

0.44 Å

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

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