JEE Main 2026 · Session 2 · Shift 1 · Physics
Question 47
A vessel contains 0.15 m³ of a gas at pressure 8 bar and temperature 140 °C with cₚ = 3R and cᵥ = 2R. It is expanded adiabatically till pressure falls to 1 bar. The work done during this process is ____ kJ. (R is gas constant)
Answer: 120
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Official source
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Question paper, page 19.