SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Thermodynamics First Law of Thermodynamics
A system is taken from state “P” to state “Q” along two different paths “a” and “b”. The heat absorbed and work done by the system along these paths are “Qa”, “Qb” and “Wa”, “Wb” respectively. Which among the following will be true?
1
Wa + Qa = Wb + Qb
2
Qa = Ab
3
Wa = Wb
4
Qa - Wa = Qb – Wb