engineering recuitment AAI JE Technical Mock Test 2020-21 Thermodynamics Second Law of Thermodynamics and Entropy Entropy and Irreversibility
If heat of Q is transferred from high temperature reservoir at T1 to the low temperature reservoir at T2 , then the entropy change of universe is:
1
\(\frac{T_1 - T_2}{T_1 T_2}Q\)
2
\(\frac{T_1 - T_2}{T_1/ T_2}\)
3
\(\frac{T_1 T_2}{T_1 - T_2}Q\)
4
\(\frac{T_1 - T_2}{T_1 /T_2}Q\)