What is the nature of the change in internal | vedclass

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(D) Internal energy $(U)$ is a state function,meaning its value depends only on the initial and final states of the system,not on the path taken.For a

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$\Delta U = 0$ in all three cases.

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(D) Internal energy $(U)$ is a state function,meaning its value depends only on the initial and final states of the system,not on the path taken.For a cyclic process,the system returns to its initial state after completing the cycle.Since the initial state and final state are identical,the change in internal energy $(\Delta U)$ for any cyclic process is always zero.All three figures $(a)$,$(b)$,and $(c)$ represent cyclic processes because the path starts and ends at the same point.Therefore,$\Delta U = 0$ for all three cases.

What is the nature of the change in internal energy for the following three thermodynamic processes shown in the figure?

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