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Internal energy of n moles of helium at ...

Internal energy of n moles of helium at temperature `T_1 K` is equal to the internal energy of 2n moles of oxygen gas at temperature `T_2 K` then the value of `T_1 /T_2`will be

A

`5/3`

B

`10/3`

C

`4/3`

D

`8/3`

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