Q125. A thermodynamic system undergoes a process in which its internal energy decreases by 300 J. If at the same time, 120 J of work is done on the system, find the heat lost by the system.Physics — Heat and Thermodynamics — Question 125 of 415A. -420 JB. 420 JC. 80 JD. -80 JPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →