the speed of light c, gravitational constant G, and Planck’s constant h are taken as the fundamental units in a system. The dimension of time in this new system should be,

Options

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)]`

Answer

A