Aberration Animation Play

Abundance of the principal elements in the Universe Slideshow Play

Electron shells and subshells (2) Student activity Play

Spherical mirrors Animation Play

Spherical mirrors Student activity Play

Spherical mirrors Whiteboard exercise Play

The bank Student activity Play

The defects of lenses Student activity Play

The energy of decay Animation Play

The mirror equation Student activity Play

The mirror equation Animation Play

The principal and azimuthal quantum numbers Animation Play

The principal factors affecting reacting systems Animation Play

The structure of a lens Student activity Play

The structure of a lens Animation Play

α decay Student activity Play