Q10. In a certain process, 400 J of heat energy is supplied to a system, and at the same time, 150 J of work is done by the system. The increase in internal energy of the system is _______. Physics — Heat and Thermodynamics — Question 10 of 415A. 150 J B. 300 J C. 250 J D. 500 J Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →