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Question
A system changes from the state (P1, V1) to (P2, V2) as shown in the figure. What is the work done by the system?
Options
10.5 x 105 joule
10.5 x 105 erg
12 x 105 joule
6 x 105 joule
MCQ
Graph
Solution
10.5 x 105 joule
Explanation:
Work done =Area of PV graph (here trapezium)
= `1/2` (2 × 105+ 5 × 105) × (4 - 1)
= 10.5 × 105 J
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Thermodynamic State Variables and Equation of State
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