A diatomic gas undergoes a process represented by $PV ^{1.3}=$ constant. Choose the incorrect statement
Medium
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(d)
$P V^{1.3}=K$
$W=\frac{P_2 V_2-P_1 V_1}{1-N}$
$\because N > 1$, so $W$ is negative.
Heat supplied by surrounding heat goes to do work.
$\therefore$ Down when expands.
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