Arrange the following in order of magnitude of work done by the system/on the system at constant temperature. (a) |wreversible| for expansion in infinite stages. (b) |wirreversible| for expansion in s

Question

(A) a > c > b > d
(B) d > c = a > b
(C) c = a > d > b
(D) a > b > c > d

Prashant Kotian · Accepted Answer

Correct answer: B. During expansion, as number of stages increase, more and more work is done by the gas. During compression, as number of stages increase, less and less work is done on the gas. |wirreversible| for compression in single stage > |wreversible| for compression in infinite stages = |wreversible| for expansion in infinite stages > |wirreversible| for expansion in single stage.

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