A given mass of a gas expands from a state $A$ to the state $B$ by three paths $1, 2$ and $3$ as shown in $T-V$ indicator diagram. If $W_1, W_2$ and $W_3$ respectively be the work done by the gas along the three paths, then
  • A$W_1 > W_2 > W_3$
  • B$W_1 < W_2 < W_3$
  • C$W_1 = W_2 = W_3$
  • D$W_1 < W_2, W_1 > W_3$
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