Two ideal gases $A$ and $B$ having the same temperature $T$,same pressure $P$,and same volume $V$,are mixed together. If the temperature of the mixture is kept constant and the volume occupied by the mixture is reduced to $\frac{V}{2}$,then the pressure of the mixture will become:

  • A
    $\frac{P}{2}$
  • B
    $P$
  • C
    $4 P$
  • D
    $2 P$

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