A gas bubble from an explosion under water oscillates with a period proportional of $P^a\,d^b\,E^c$ where $P$ is the static pressure, $d$ is the density of water and $E$ is the energy of explosion. Then $a,\,b$ and $c$ are

  • A

    $ - \frac{5}{6},\frac{1}{2},\frac{1}{3}$

  • B

    $ \frac{1}{2},- \frac{5}{6},\frac{1}{3}$

  • C

    $\frac{1}{3},\frac{1}{2},- \frac{5}{6}$

  • D

    $1,\, 1,\, 1$

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