The density \( (\rho) \) versus temperature \( (T) \) graph of an ideal gas. undergoing a proces...

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The density \( (\rho) \) versus temperature \( (T) \) graph of an ideal gas. undergoing a process \( A B \) is as shown in the figure-3.88. Choose the incorrect option :
\( \mathrm{W} \)
(A) \( P_{A} V_{A}=P_{B} V_{B} \)
(B) \( P_{B}P_{A} \)
(C) \( W_{A} \rightarrow B \) is positive
(D) \( D U_{A B}=0 \)
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