Q21. A system absorbs 1000 Joules of heat and delivers 600 Joules of work, while losing 100 Joules of heat by conduction to the atmosphere, the change in the internal energy of the system will be: Physics — Heat and Thermodynamics — Question 21 of 415A. 600 Joules B. 900 Joules C. 300 Joules D. 400 Joules E. 1600 Joules Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →