Question

An electron of mass 9 × 10⁻³¹ kg moves in a circular orbit of radius 5.3 × 10⁻¹¹ m around a proton in a hydrogen atom. If the charges are 1.6 × 10⁻¹⁹ C each, find the frequency of  revolution.

Answer 1

The frequency of revolution of electron is 6.604 × 10¹⁵ Hz.