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Physics
The root mean square velocity of molecules of gas is
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Q. The root mean square velocity of molecules of gas is
JEE Main
JEE Main 2023
Kinetic Theory
A
Inversely proportional to square root of temperature $\left(\sqrt{\frac{1}{T}}\right)$
18%
B
Proportional to square root of temperature $(\sqrt{T})$
74%
C
Proportional to square of temperature $\left(T^2\right)$
2%
D
Proportional to temperature (T)
6%
Solution:
The rms speed of a gas molecule is
$V _{ RMS }=\sqrt{\frac{3 RT }{ M }}$
$V _{ RMS } \propto \sqrt{ T }$