MCQ
A thermodynamic system undergoes cyclic process ABCDA as shown in the figure. The work done by the system is ______


- ✓$`("P"_0"V"_0)/2`$
- B$2 P _0 V_0$
- Czero
- D$P _0 V_0$

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| Column I | Column II | ||
| i. | Not evaluated | a. | Pervasive and abundant after careful assessment |
| ii. | Near threatened | b. | Information related to risk of extinction is lacking in some way |
| iii. | Least concern | c. | Described by scientist but not assessed by the IUCN |
| iv. | Data deficient | d. | May meet the criteria for threatened status in the near future |