NEET Questions Solved


If 150 J of heat is added to a system and the work done by the system is 110 J, then change in internal energy will be 

(1) 260 J

(2) 150 J

(3) 110 J

(4) 40 J

(4) ΔQ=ΔU+ΔW

ΔU=ΔQΔW=150110=40J

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