Staement -1: The heat absorbed during the isothermal expansion of an ideal gas againt vacuum is zero .
Statement -2: The volume occupied by the molecules of an ideal gas is zero.

In the isothermal expansion of an ideal gas

In the isothermal expansion of an ideal gas

This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best describes the two Statements. Statement-I : The heat absorbed during the isothermal expansion of an ideal gas against vacuum is zero. Statement-II : The volume occupied by the molecules of an ideal gas is zero.

In the isothermal expansion of an ideal gas:

During an isothermal expansion of an ideal gas

For the isothermal expansion of an ideal gas