In an isothermal process
A) P is constant.
B) V is constant.
C) is constant.
D) PV is constant.
E) is constant.

Question

In an isothermal process
A) P is constant. 
B) V is constant. 
C) is constant. 
D) PV is constant. 
E) is constant.

Quizplus · Accepted Answer

In an isothermal process, the temperature remains constant. According to the ideal gas law, PV=nRT, if temperature (T) is constant and n (the amount of gas) also remains constant, then PV must also remain constant. Therefore, D is the correct choice as PV is constant in an isothermal process.

In an Isothermal Process