The work done on the gas is taking it from D to A is
AIEEE Solved Paper-2009
A) -414 R
B) +414 R
C) -690 R
D) +690 R
Correct Answer: A
Solution :
\[{{W}_{DA}}=nRT\]in\[\frac{{{P}_{i}}}{{{P}_{r}}}=2\times R\times 300\]in\[\frac{1}{2}\] \[=\text{ }414\text{ }R\]
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