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A given mass of gas expands reversibly from
P the state A to the state B by three paths 1,2

W and 3 as shown in the figure. If \( \mathrm{w}_{1}, \mathrm{w}_{2} \) and \( \mathrm{w}_{3} \) respectively be the work done by the gas along three paths then: (only magnitude)
(1) \( \mathrm{w}_{1}\mathrm{w}_{2}\mathrm{w}_{3} \)
(2) \( \mathrm{w}_{1}\mathrm{w}_{2}\mathrm{w}_{3} \)
(3) \( \mathrm{w}_{1}=\mathrm{w}_{2}=\mathrm{w}_{3} \)
(4) \( \mathrm{w}_{2}\mathrm{w}_{3}\mathrm{w}_{1} \)
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