Questions
The pressure of an ideal gas is directly proportional to [UK PMT 2015]
a
total kinetic energy
b
translational kinetic energy
c
rotational kinetic energy
d
vibrational kinetic energy
detailed solution
Correct option is B
Translational kinetic energy, K = 12Mvrms2 …(i)and vrms=3pVM …(ii)From Eqs. (i) and (ii), we get K=12M3pVM=32pV⇒ p=2K3V⇒p∝K (If, V = constant)Talk to our academic expert!
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