Which is the correct statement
  • AFor an isothermal change $PV =$ constant
  • B
    In an isothermal process the change in internal energy must be equal to the work done
  • CFor an adiabatic change $\frac{{{P_2}}}{{{P_1}}} = {\left( {\frac{{{V_2}}}{{{V_1}}}} \right)^\gamma }$, where $\gamma $ is the ratio of specific heats
  • D
    In an adiabatic process work done must be equal to the heat entering the system
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