A given system undergoes a change is which the work done by the system equal the decrease in its internal energy. The system must have undergone an

Isothermal change

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Adiabatic chnage

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Isobaric change

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Isochoric change

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Solution

The correct option is B Adiabatic chnage
In adiabatic change Q = constant $\Rightarrow Δ Q = o$
So $Δ W = - Δ U (∴ Δ Q = Δ U + Δ W)$

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