A gas consisting of a rigid diatomic molecules was initially under standard condition. Then, gas was compressed adiabatically to one$-$fifth of its initial volume. What will be the mean kinetic energy of a rotating molecule in the final state ?
  • A$1.44 \,J$
  • B$4.55 \,J$
  • C$787.98 \times 10^{-23} \,J$
  • D$757.3 \times 10^{-23} \,J$
AIIMS 2018, Diffcult
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