In an adiabatic process,the state of a gas is changed from $(P_1, V_1, T_1)$ to $(P_2, V_2, T_2)$. Which of the following relations is correct?

  • A
    $T_1 V_1^{\gamma - 1} = T_2 V_2^{\gamma - 1}$
  • B
    $P_1 V_1^{\gamma - 1} = P_2 V_2^{\gamma - 1}$
  • C
    $T_1 P_1^{\gamma} = T_2 P_2^{\gamma}$
  • D
    $T_1 V_1^{\gamma} = T_2 V_2^{\gamma}$

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