An electron in a helium atom is revolving in the first orbit with a speed of `4*5xx10^6m//s`.
Channel: Doubtnut
Date: 2020-08-02

An electron in a helium atom is revolving in the first orbit with a speed of `4*5xx10^6m//s`. If radius of orbit is `0*26 Å`, what is the magnetic moment of the electron?