IIT JEE Advanced 2012 Paper 1

Section: Physics
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Question : 5 of 60
 
Marks: +1, -0
A mixture of 2 mol of helium gas (atomic mass = 4 amu) and 1 mol of argon gas (atomic mass = 40 amu) is kept at 300 K in a container. The ratio of the rms speeds [
vrms(helium)
vrms(argon)
]
is
[JEE Adv 2012 P1]
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