Exam-style question
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How is work done calculated from a p-V diagram?.
- A.By measuring the height of the graph
- B.By calculating the area under the curve
- C.By finding the slope of the line
- D.By determining the change in temperature
Model answer
What a good answer should say
- By calculating the area under the curve
Explanation
Why this works
Work done in a thermodynamic process can be calculated as the area under the curve on a p-V diagram, representing the energy transferred during the process.
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