Assertion. Heat energy is completely transformed into work during the isothermal expansion of an ideal gas. Reason . During an isothermal process, the change in internal energy of a gas due to decrease in pressure is nullified by the change due to increase in volume.

Assertion. Heat energy is completely transformed into work during the

1.	Assertion. Heat energy is completely transformed into work during the isothermal expansion of an ideal gas. Reason . During an isothermal process, the change in internal energy of a gas due to decrease in pressure is nullified by the change due to increase in volume.
Answer» If both A and R are TRUE,andR is the TRUEEXPLANATION of A. If both A and R are true,but R is not the true EXPLANATION of A. If A is true, but R is false If both A and R are false. Answer :A