The speed of light $(c)$, gravitational constant $(G)$ and planck's constant $(h)$ are taken as fundamental units in a system. The dimensions of time in this new system should be

  • [AIIMS 2008]
  • [JEE MAIN 2019]
  • A

    ${G^{1/2}}{h^{1/2}}{c^{ - 5/2}}$

  • B

    ${G^{ - 1/2}}{h^{1/2}}{c^{1/2}}$

  • C

    ${G^{1/2}}{h^{1/2}}{c^{ - 3/2}}$

  • D

    ${G^{1/2}}{h^{1/2}}{c^{1/2}}$

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