engineering recuitment UPPSC AE Mock Test 2024 Thermodynamics First Law of Thermodynamics Statement of First Law of Thermodynamics
Identify the correct option based on the assertion (A) and reason (R) listed below.
Assertion (A) : In an open system of thermodynamics, both mass and energy can cross the boundary.
Reason (R) : The expression of the first law of thermodynamics for a closed system is Q - W = ΔE
1
Both A and R are true
2
A is true but R is false
3
Both A and R are false
4
A is false but R is true