A mass of diatomic gas $(\gamma = 1 .4)$ at a pressure of $2$ atmospheres is compressed adiabatically so that its temperature rises from $27^o C$ to $927^o C.$ The pressure of the gas in the final state is  ...... $atm$
  • A$8$
  • B$28$
  • C$68.7$
  • D$256$
AIPMT 2011, Medium
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