alleryIf the temperature of a gas is doubled (at constant volume), the rms speed changes by a factor of:
A2
B$\sqrt 2$ ≈ 1.414
C4
D$1/\sqrt 2$
Answer & Solution
Correct answer: B. $\sqrt 2$ ≈ 1.414
$v_{rms} \propto \sqrt T$.
Double T ⇒ $v_{rms}$ rises by $\sqrt 2 \approx 1.41$.
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