Mht CetThermodynamicsMHT CET 2026 18th April Evening ShiftMCQ+1 / -02026Which of the following is the correct expression of the first law of thermodynamics for adiabatic processes ?A$W = -Q$B$-\Delta U = -W$C$\Delta U = QV$D$\Delta U = Q_P - P_{\text{ext}}\,\Delta V$Check AnswerClear SelectionReveal AnswerShow Explanation
