engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Entropy and Irreversibility
Change in entropy during constant pressure process is given by the relation
1
\(m{c_p}{\log _{\rm{e}}}\frac{{{T_1}}}{{{T_2}}}\)
2
\(m{c_p}{\log _{\rm{e}}}\frac{{{T_2}}}{{{T_1}}}\)
3
\(m{c_v}{\log _{\rm{e}}}\frac{{{T_2}}}{{{T_1}}}\)
4
\(m\frac{R}{J}{\log _{\rm{e}}}\frac{{{T_2}}}{{{T_1}}}\)