Direction : Questions number are based on the following paragraph. ... VIDEO
Direction : Questions number are based on the following paragraph. Two moles of helium gas are taken over the cycle \( \mathrm{ABCDA} \), as shown in the \( \mathrm{p} \)-T diagram.
\( \mathrm{P} \)
W
The work done on the gas in taking it from \( \mathrm{D} \) to \( \mathrm{A} \) is
(A) \( -414 \mathrm{R} \)
(B) \( +414 \mathrm{R} \)
(C) \( -690 \mathrm{R} \)
(D) \( +690 \mathrm{R} \)
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