The rms speed of oxygen molecule in a vessel at particular temperature is $\left(1+\frac{5}{x}\right)^{\frac{1}{2}} v$, where $v$ is the average speed of the molecule. The value of $x$ will be:(Take $\pi=\frac{22}{7}$ )
  • A$28$
  • B$27$
  • C$8$
  • D$4$
JEE MAIN 2023, Medium
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