In the reported figure, there is a cyclic process \( ABCDA \) on a sample of \( 1 \) mole of a diatomic gas. The temperature of the gas during the process \( A \rightarrow B \) and \( C \rightarrow D \) are \( T_{1} \) and \( T_{2} \) (\( T_{1} > T_{2} \)) respectively.
Choose the correct option out of the following for work done if processes \( BC \) and \( DA \) are adiabatic.
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