A thermodynamic process is shown in figure. The pressures and volumes corresponding to some points in the figure are:\[{{P}_{A}}=3\times {{10}^{4}}Pa,\,\,{{P}_{B}}=8\times {{10}^{4}}Pa\]\[and\,{{V}_{A}}=2\times {{10}^{-3}}{{m}^{3}},\,{{V}_{D}}=5\times {{10}^{-3}}m\] In process\[AB\], 600 J of heat is added to the system and in process\[BC\], 200 J of heat is added to the system. The change in internal energy of the system in process AC would be

A thermodynamic process is shown in figure. The pressures and volumes

1.	A thermodynamic process is shown in figure. The pressures and volumes corresponding to some points in the figure are:\[{{P}_{A}}=3\times {{10}^{4}}Pa,\,\,{{P}_{B}}=8\times {{10}^{4}}Pa\]\[and\,{{V}_{A}}=2\times {{10}^{-3}}{{m}^{3}},\,{{V}_{D}}=5\times {{10}^{-3}}m\] In process\[AB\], 600 J of heat is added to the system and in process\[BC\], 200 J of heat is added to the system. The change in internal energy of the system in process AC would be
A.	560 J
B.	800 J
C.	600 J
D.	640 J
Answer» B. 800 J