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1. |
In a 2 stage process Q1 = 5 J, Q2 = 10 J, if the change in internal energy in first stage is 10 J and the total change in internal energy is 20 J, what is the work do done in second stage? |
A. | t0 |
B. | t5 J |
C. | t10 J |
D. | t 5 J |
Answer» B. t5 J | |