1 Kinetic Theory of Gases
A solid body of constant heat capacity 1 J/$$^{\circ}$$C is being heated by keeping it in contact with reservoirs in two ways (i) Sequentially keeping in contact with 2 reservoirs such that each reservoir supplies same amount of heat. (ii) Sequentially keeping in contact with 8 reservoirs such that each reservoir supplies same amount of heat. In both the cases, body is brought from initial temperature 100$$^{\circ}$$C to final temperature 200$$^{\circ}$$C. Entropy change of the body in the two cases respectively, is
1) In (2), In 2 2) In 2, 2 ln 2 3) In 2, 2 ln 2 4) In 2,4 In 2
Solution:
Entropy is a state functions. Therefore in both cases answer should be same.
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