A) Isothermal
B) Adiabatic
C) Isobaric
D) None of these
Correct Answer: A
Solution :
When a system undergoes a physical change under the condition that the temperature of the system remains constant, then such a process is called isothermal. For such a process to take place it is necessary that the system be surrounded by a perfectly conducting material. In practise there is no material which is perfectly conducting, hence perfect isothermal process is impossible. But when a process takes place very slowly, so that heat finds sufficient time to flow, then the process is approximately isothermal. While adiabatic process is a rapid process.
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