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Solution


Q.

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 stage.
b) |wirreversible| for expansion in single stage.
c) |wreversible| for compression in infinite stage.
d) |wirreversible| for compression in single stage.

Choose the correct answer from the options given below:                                                          [2025]
1 a > b > c > d  
2 d > c = a > b  
3 c = a > d > b  
4 a > c > b > d  

Ans.

(2)

Magnitude of work = area under PV graph