The internal energy of an ideal gas increases | vedclass

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(A) For an ideal gas,the internal energy $U$ is given by $U = \frac{f}{2} NkT$. Since $U \propto NT$,for an isothermal process,the temperature $T$ rem

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Expanded by adding more molecules to it.

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(A) For an ideal gas,the internal energy $U$ is given by $U = \frac{f}{2} NkT$. Since $U \propto NT$,for an isothermal process,the temperature $T$ remains constant. Therefore,the internal energy $U$ becomes directly proportional to the number of molecules $N$ $(U \propto N)$. Thus,the internal energy increases if the number of molecules $N$ is increased.

The internal energy of an ideal gas increases during an isothermal process when the gas is

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