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One mole of an ideal gas has an interal ...

One mole of an ideal gas has an interal energy given by `U=U_(0)+2PV` , where `P` is the pressure and `V` the volume of the gas. `U_(0)` is a constant. This gas undergoes the quasi`-` static cyclic process `ABCD` as shown in the `U-V` diagram.

The gas must be

A

2R

B

3R

C

`(5)/(2)R`

D

4R

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The correct Answer is:
B
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