Thermodynamics Question 313

Question: A system changes from the state (P1,V1) to (P2,V2) as . What is the work done by the system?

Options:

A) 7.5×105 joule

B) 7.5×105 ergs

C) 12×105 joule

D) 6×105 joule

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Answer:

Correct Answer: C

Solution:

[c] Work done = Area of graph ABD;

From above we get, Area =1/2×4(1×105+5×105)

=2×6×105=12×105J .



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