# Tag Archives: energy levels

## How far is it around the earth?

How far is it around the earth? More specifically, if I was to set off from here in Wokingham following a great circle route, how far would I have to travel before I found myself back here in Wokingham? Well, if you look it up on Google the circumference of the earth is near enough […]

## The Rydberg Constant and Rydberg Series

Here I take a look at the Rydberg formula in more detail and derive the Rydberg series, which is useful in calculating the change in energy level between any two states of the hydrogen atom and can be used to generate all of the other series: Lyman, Balmer, Paschen, Brackett, Pfund, Humphreys etc. I go […]

## Quantization of angular momentum ?

To date all models for the structure of the atom are based on a hypothesis first put forward by the British physicist John Nicholson in 1911. Nicholson recognized that the units of Planck’s constant were those of angular momentum and so he reasoned that Planck’s constant was the angular momentum of the electron orbiting the […]