If h is the Planck's constant, m = mass of the electron, e = charge of the electron and in_(0) = permittivity of vacuum, then(h^(2)in_(0))/(me^(2)) has the unit

If h is the Planck's constant, m = mass of the electron, e = charge of

1.	If h is the Planck's constant, m = mass of the electron, e = charge of the electron and in_(0) = permittivity of vacuum, then(h^(2)in_(0))/(me^(2)) has the unit
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