railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics First Law of Thermodynamics Application of First Law to Closed System
For a process which is non-flow (U is the internal energy, Q is the heat and W is the work done) the first law of thermodynamics states ________.
1
ΔU = ∂Q - ∂W
2
\(\oint dQ + \oint dW = 0\)
3
\(\oint dQ \ne \oint dW\)
4
ΔU = ∂Q