Q. The volume of an ideal diatomic gas is doubled isothermally, the internal energy
A) Is doubled
B) Is halved
C) Is increased four times
D) Remains unchanged
Explanation
(d) No change in the internal energy of ideal gas, but for real gas internal energy increases because work is done against intermolecular forces.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.