1.

In changing the state of thermodynamics from A to B state, the heat required is Q and the work done by the system is W. The change in its internal energy is [MP PMT 1986; AMU (Med.) 2001]

A.            Q + W                                      
B.            Q ? W
C.            Q   
D.            \[\frac{Q-W}{2}\]
Answer» C.            Q   


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