A system absorb 20 kJ heat and also does 10 kJ of work. The net internal energy of the system is :-
|(1)||increases by 10 kJ|
|(2)||decreases by 10 kJ|
|(3)||increases by 30 kJ|
|(4)||decreases by 30 kJ|
Asked by Atulcaald | 25th May, 2018, 12:31: AM
Option (1) is correct.
Internal energy increases by 10 kJ.
Answered by Varsha | 25th May, 2018, 11:51: AM
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