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For an ideal gas the internal energy is ...

For an ideal gas the internal energy is given by `U=5PV//2+C`, where `C` is a constant. The equation of the adiabatic in the `PV` plane will be

A

`p^5V^7`=constant

B

`p^7V^5`=constant

C

`p^3V^5`=constant

D

`p^5V^2`=constant

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