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The work done in which of the following processes is equal to the change in internal energy

The work done in which of the following processes is equal to the change in internal energy of the system?

Options

(a) Adiabatic process
(b) Isothermal process
(c) Isochoric process
(d) None of these

Correct Answer:

Adiabatic process

Explanation:

In adiabatic process, dQ = 0
dQ = dU + dW ⇒ dU + dW = 0 ⇒ dU = -dW
In Adiabatic process, work done = change in dU.

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