Q 11-12-078JEE MainJEE Main 2023 (6 Apr, Shift 2)Easy
The temperature of an ideal gas is increased from $200\ \text{K}$ to $800\ \text{K}$. If r.m.s. speed of gas at $200\ \text{K}$ is $v_0$, then r.m.s. speed of the gas at $800\ \text{K}$ will be
Answer: (D) $2v_0$
$v_{rms}\propto\sqrt T$; $T$ is $4$ times, so $v=2v_0$.
Solution by Sreeraj P, M.Sc Physics