Thermodynamics Question 120
Question: A thermo-dynamical system is changed from state $ (P _{1},V _{1}) $ to $ (P _{2},V _{2}) $ by two different process. The quantity which will remain same will be
[RPET 1999]
Options:
A) $ \Delta Q $
B) $ \Delta W $
C) $ \Delta Q+\Delta W $
D) $ \Delta Q-\Delta W $
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Answer:
Correct Answer: D
Solution:
Change in internal energy does not depend upon path so $ \Delta U=\Delta Q-\Delta W $ remain constant.
