Atoms and Nuclei — JEE Main 2020 · 7 Jan, Morning shift · Q5995 · Alror
Atoms and Nuclei
JEE Main 2020 · 7 Jan, Morning shift · Q5995
PhysicsMedium183×since 2002Q5995
The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × 10⁻¹⁶ s. The frequency of revolution of the electron in its first excited state (in s⁻¹) is :