Physics XI Content
|A thermodynamic process in which the volume of the system remains constant during the supply of heat is called an ISOCHORIC PROCESS.|
|Consider a cylinder fitted with a frictionless piston. An ideal gas is enclosed in the cylinder.The piston is fixed at a particular position so that the volume of cylinder remains constant during the supply of heat.|
Let DQ amount of heat is added to the system. Addition of heat causes the following changes in the system:
| Internal energy increases from U1 to U2.|
Volume of the system remains unchanged.
Temperature increases from T1 K to T2 K.
Pressure increases from P1 to P2.
No work is performed.