Ars ans (a) 3 13/ a solid metallic cube of heat capacity s is at temperature 300 k. it is brought in contact with a reservoir at 600 k. if the heat transfer tak

ARS AnS (a) 3 13/ A solid metallic cube of heat capacity S is at temperature 300 K. It is brought in contact with a reservoir at 600 K. If the heat transfer takes place only between the reversoir and the cube, the entropy change of the universe after reaching the thermal equilibrium is (a) 0.69S (c) 0.27S (b) 0.54S (d) 0.19S [JAM PH-20141 Ans. fd) ific