In a thermodynamic process, pressure of a fixed mass of a gas is chang – McqOptions

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1.	In a thermodynamic process, pressure of a fixed mass of a gas is changed in such a manner that the gas molecules gives out 20 J of heat and 10 J of work is done on the gas. If the initial internal energy of the gas was 40 J, then the final internal energy will be [DPMT 2004]
A.	30 J
B.	20 J
C.	60 J
D.	40 J
Answer» D. 40 J

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