Class 11 NEET Physics Thermodynamics and Kinetic Theory

As P=

1

3

mN

V

vrms2...(i)
where m is the mass of each molecule, N is the total number of molecules, V is the volume of the gas.
When mass of all the molecules is halved and their speed is doubled, then the pressure will be
P′=

1

3

(

m

2

)×

N

V

(2vrms)2
  =

2

3

mN

V

v2rms=2P