Learning Paths
Each learning path is one chapter: a guided route through a topic, one small course at a time. Pick a class to see its chapters in order.
Chapter 25
Dual Nature of Radiation and Matter, Atoms and Atomic Spectra
Light is a wave. But light also comes in small packets of energy. And an atom can have only certain amounts of energy. These two ideas changed physics. In this chapter you follow the experiments behind them. First, light that knocks electrons out of a metal. Then, why hydrogen gives out only a few colours. Every calculation is also done in Python.
1 course
