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An ideal gas with constant heat capacity \( C_{V}=\frac{3}{2} n R \) is made to carry out a cycle that is depicted by a triangle 2 in
\( \mathrm{P} \) the figure given below. The following statement is true about

W the cycle
[KVPY 2010]
(a) The efficiency is given \( 1-\frac{P_{1} V_{1}}{P_{2} V_{2}} \)
(b) The efficiency is given \( 1-\frac{1}{2} \frac{P_{1} V_{1}}{P_{2} V_{2}} \)
(c) Net heat absorbed in the cycle is \( \left(P_{2}-P_{1}\right)\left(V_{2}-V_{1}\right) \)
(d) Heal absorbed in part \( A C \) is given by \( 2\left(P_{2} V_{2}-P_{1} V_{1}\right)+\frac{1}{2}\left(P_{1} V_{2}-P_{2} V_{1}\right) \)
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