SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Thermodynamics First Law of Thermodynamics
A system undergoes a process in which it absorbs 500 J of heat and does 250 J of work. What is the change in the internal energy of the system?
1
−750 J
2
750 J
3
250 J
4
−250 J