If the constant of gravitation $(G)$, Planck's constant $(h)$ and the velocity of light $(c)$ be chosen as fundamental units. The dimension of the radius of gyration is

  • A

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

  • B

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

  • C

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

  • D

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

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