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The relation between internal energy U, ...

The relation between internal energy U, pressure P and volume V of a gas in an adiabatic process is U=a+bPV where a and b are positive constants. What is the value of `gamma`?

A

`a/b`

B

`(b+1)/b`

C

`(a+1)/a`

D

`b/a`

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B
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