The root mean square speed of molecules of nitrogen gas at $27^{\circ} C$ is approximately$.......m/s$(Given mass of a nitrogen molecule $=4.6 \times 10^{-26}\,kg$ and take Boltzmann constant  $k _{ B }=1.4 \times 10^{-23}\,JK ^{-1}$ )
  • A$523$
  • B$1260$
  • C$91$
  • D$27.4$
JEE MAIN 2023, Easy
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