Q140. A system absorbs 600 J of heat and performs 400 J of work. Simultaneously, it loses 100 J of heat to the surroundings. What is the change in the internal energy (ΔU) of the system?Physics — NUST Mock By Dogers 5 — Question 140 of 200A. 100 JB. 400 JC. 500 JD. 600 JPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →