PhysicsJEE Main 2 Apr 2026, Shift 1·Q22·Numerical·Moderate

Thermodynamics · Thermodynamic processes

A vessel contains

0.15\ \mathrm{m^3}

of a gas at pressure 8 bar and temperature

140^\circ

C with

c_p = 3R

and

c_v = 2R

. It is expanded adiabatically till pressure falls to 1 bar. The work done during this process is kJ. (

R

is gas constant)

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