A molecule emitting a quantum of radiation Whiteboard exercise Play

Absorption and emission of energy Animation Play

Absorption and emission of gases Simulation Play

Absorption and emission of gases Whiteboard exercise Play

Absorption and emission of gases Student activity Play

Absorption spectrum of gases Whiteboard exercise Play

Absorption spectrum of gases Student activity Play

Absorption spectrum of gases Animation Play

Absorption spectrum of gases Simulation Play

Emission and absorption spectra Class activity Play

Emission and absorption spectra Whiteboard presentation Play

Emission spectrum Animation Play

Emission spectrum of excited atoms Animation Play

Laser Animation Play

Planck's postulates Student activity Play

Planck's postulates Animation Play

Planck's postulates Whiteboard exercise Play

Radiation of solids Student activity Play

Radiation of solids Whiteboard exercise Play

Spectral analysis Illustration Play

Spectral analysis Student activity Play

Spectral analysis Whiteboard exercise Play

Spectroscope Animation Play

Spontaneous and stimulated emission Whiteboard exercise Play

Spontaneous and stimulated emission Student activity Play

Spontaneous emission Animation Play

Stimulated emission Animation Play

The colour of the laser beam Whiteboard exercise Play

The intensity of a beam of photons Animation Play

The shape of the radiation spectrum Animation Play