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One mole of helium gas follow cycle 1-2-...

One mole of helium gas follow cycle `1-2-3-1` shown in the diagram. During process `3-1`, the internal energy `(U)` of the gas depends on its volume `(V)` as `U=bV^(2)`, where `b` is a positive constant. If gas releases the amount of heat `Q` during process `3-1` and gas absorbs the amount of heat `Q_(2)` during process `1rarr2rarr3`.
The value of ratio of volume of gas in state `-3(V_(3))` to that of gas in state `-1(V_(1))` is:

A

`1/2`

B

`2/1`

C

`1/3`

D

none of these

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The correct Answer is:
B
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