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The efficiency of an ideal gas with adia...

The efficiency of an ideal gas with adiabatic exponent `'gamma'` for the shown cyclic process would be

A

`(2"in"2-1)/(gamma//(gamma-1))`

B

`(1-1"in"2)/(gamma//(gamma-1))`

C

`(2"in"2+1)/(gamma//(gamma-1))`

D

`(2"in"2-1)/(gamma//(gamma+1))`

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The correct Answer is:
A
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