At what temperature is the root mean square speed of an atom in an argon gas cylinder…
Physics · Class 11 · CBSE — Kinetic Theory
At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the rms speed of a helium gas atom at –20 °C ? (Atomic mass of Ar 39 u and He = 400 u)
- 2.52 × 103 K
- 2.52 × 102 K
- 4.03 × 103 K
- 4.03 ×102 K
Answer
(D) 4.03 ×10 2 K
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