Given, Let, initial and final volume and pressures are V1,V2 and p1,p2, respectively. where, V1=2m3 p1=2×105N∕m2 V2=0.5m3 and adiabatic constant γ for diatomic gases =
Cp
CV
=
7
5
=1.4 As we know that, In adiabatic condition, p1V1γ=p2V2γ ∴p2=p1(
V1
V2
)γ =2×105(
2
0.5
)1.4 =2×105×41.4=2×105×6.96 =13.92×105N∕m2 Since, work done in adiabatic condition, W=