Modern & Quantum Physics
Advanced

Bohr Energy Levels

Energy of the nth hydrogen orbit.

Formula

En=13.6n2 eVE_n = -\frac{13.6}{n^2}\ \text{eV}

Variables

nPrincipal quantum number

Example

n=1 ⇒ −13.6 eV

Did You Know?

Bohr's model explained why atoms emit only specific colours, the barcode-like spectra that reveal a star's composition.