Question

An electron in the ground state of hydrogen atom is revolving in a circular orbit of radius R. The orbital magnetic moment of the electron is ____________. (m = mass of electron, h = Planck's constant, e = electronic charge)

Options

• `"eh"/(4pi"m")`

• `"-eh"/(pi"m")`

• `"eh"/(2pi"m")`

• `(2"eh")/(pi"m")`

Answer 1

An electron in the ground state of hydrogen atom is revolving in a circular orbit of radius R. The orbital magnetic moment of the electron is `"eh"/(4pi"m")`.