Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoKTGMedium2 minQB

PhysicsMediumsingle choice

At room temperature a diatomic gas is found to have an r.m.s. speed of $1930 ms^{- 1}$ . The gas is :

Answer:

Solution:

$M = \frac{3 RT}{v _{r m s}^{2}} = \frac{3 \times 8.314 \times 300}{193 0 ^{2}} \approx 2 \times 1 0^{- 3} kg / mol \Rightarrow$ the gas is $H_{2}$ .

Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:KTG

⏱ 2mℹ️ Source: QB

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