How to solve this? Can you please explain? I am confused.

Khimraj
3007 Points
4 years ago
for isothermal process
PV = constant
So
pV = piV/n
So,
pi = np
pV$\gamma$ = constant
pV$\gamma$ = pa(V/n)$\gamma$
pa = n$\gamma$p
So
pi/pa = n(1-$\gamma$).
Hope it clears. If you  like answer then please approve it.