Physics · 2025
JEE Main · 7 April 2025, Shift 2 · Q33
The helium and argon are put in the flask at the same room temperature (300 K). The ratio of average kinetic energies (per molecule) of helium and…
The helium and argon are put in the flask at the same room temperature ($\displaystyle 300$ K). The ratio of average kinetic energies (per molecule) of helium and argon is :
(Give : Molar mass of helium = $\displaystyle 4$ g/mol, Molar mass of argon = $\displaystyle 40$ g/mol)
Official answer
From NTA’s final answer key for this paper.
(1)
$\displaystyle 1$ : $\displaystyle 1$
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.