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MCQEasyJEE Main 2023 · 11 April, Shift 2Molecular Speeds (rms, Average, Most Probable)

Physics Question from JEE Main 2023 · 11 April, Shift 2

The root mean square speed of molecules of nitrogen gas at 27∘C27^\circ \text{C} is approximately : (Given mass of a nitrogen molecule =4.6×10−26 kg= 4.6 \times 10^{-26} \, \text{kg} and take Boltzmann constant kB=1.4×10−23JK−1k_B = 1.4 \times 10^{-23} \text{J} \text{K}^{-1})

  • A

    1260 m/s1260 \, \text{m/s}

  • B

    91 m/s91 \, \text{m/s}

  • C

    523 m/s523 \, \text{m/s}

  • D

    27.4 m/s27.4 \, \text{m/s}

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