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A gas consisting of rigid di-atomic mole...

A gas consisting of rigid di-atomic molecules (degree of freedom `=5`) at pressure `p_(0)=10^(5)N//m^(2)` and temperature `273K` was compressed adiabatically `5` times. The mean kinetic energy of rotating molecules in final state is `nx10^(-21)J`. Find value of `'n'.(K=1.38xx10^(-23),(5)^(2//5)=1.90)`.

A

1.44 J

B

4.55 J

C

`787.98xx10^(-23) J`

D

`757.3xx10^(-23) J`

Text Solution

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The correct Answer is:
C
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