During thermodynamic process, the increase in internal energy of a system is equal to the work done on the system. Which process does the system undergo? (a) Isothermal (b) Adiabatic (c) Isochoric (d) Isobaric

Answer: (b). First law: Δ U = Q + Won. Δ U = Won requires Q = 0, which is an adiabatic process. So the answer is (b) Adiabatic.

During thermodynamic process, the increase in internal energy of a… | MHT CET 2025 (23 Apr, Shift 2)

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Thermodynamic Processes

During thermodynamic process, the increase in internal energy of a system is equal to the $\text{work}$ done on the system. Which process does the system undergo?

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Answer: (b)

First law: $\Delta U = Q + W_{on}$ .
$\Delta U = W_{on}$ requires $Q = 0$ , which is an adiabatic process.
So the answer is (b) Adiabatic.

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