The given figure shows the variation of force in an elementary system which undergoes a process during which the plunger position changes from 0 to 3 m. If the internal energy of the system at the end of the process is 2.5 kJ higher, then the heat absorbed during the process is :

(a) 15 J

(b) 20 J

(c) 25 J

(d) 30 J

Transcribed Image Text:

N FA 10 5 1 E 2 3 X