One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to

One reversible heat engine operates between 1600 K and T2 K and anothe

1.	One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to
A.	800K
B.	1000K
C.	1200K
D.	1400K
Answer» B. 1000K