26. two identical blocks of a metal with heat capacity c are initially at temperatures t and t2, (t1< t2). they are brought in thermal contact. when the system

26. Two identical blocks of a metal with heat capacity C are initially at temperatures T and T2, (T1< T2). They are brought in thermal contact. When the system reaches equilibrium the change in entropy would be: CT+T2 (A) C n TT2 (B) C In +T2) 4T1T2 TT2 (T1 +T2 (C)CIn (D) C In T+Ta2 2T T2