A physical energy of the dimension of length that can be formula cut of `c,G` and `(e^(2))/(4 pi epsilon_(0))` is [`c` is velocity of light `G` is universal constant of gravilation e is change

Options

A. `(1)/(c^(2))[G(e^(2))/(4 pi in_(0))]^(1//2)`
B. `c^(2)[G(e^(2))/(4 pi in_(0))]^(1//2)`
C. `(1)/(c^(2))[(e^(2))/(G4 pi in_(0))]^(1//2)`
D. `(1)/(e)G(e^(2))/(4pi in_(0))`

Answer

a