(A) : First law of Thermodynamics explainswhy entire heat can not be converted intomechanical work. (R): It is impossible to convert heat completelyinto work without rejecting heat tosurroundings.

(A) : First law of Thermodynamics explainswhy entire heat can not be c

1.	(A) : First law of Thermodynamics explainswhy entire heat can not be converted intomechanical work. (R): It is impossible to convert heat completelyinto work without rejecting heat tosurroundings.
Answer» If both (A) and (R) are TRUE and (R) is thecorrect explanation of (A) If both (A) and (R) are true and (R) is NOTTHE correct explanation of (A) If (A) is true but (R) is FALSE If (A) is false but (R) is true Answer :D