Reflection and refraction of light Class activity Play

Reflection and refraction of light Whiteboard presentation Play

Refraction of light Whiteboard presentation Play

Refraction of light Class activity Play

Relationship between the wavelength and the energy of an electromagnetic wave Animation Play

Resolution of optical devices Animation Play

Resolution of optical devices Student activity Play

Roentgen spectra of elements – characteristic radiation Student activity Play

Seeing colours Animation Play

Soap bubble Animation Play

Sound Class activity Play

Sound Whiteboard presentation Play

Spectral analysis Student activity Play

Spectral analysis Whiteboard exercise Play

Spectral analysis Student activity Play

Spectral classes Student activity Play

Spectroscopy and electromagnetic radiation Whiteboard exercise Play

Spectroscopy and electromagnetic radiation Student activity Play

Spectrum of electromagnetic radiation Illustration Play

Spectrum of electromagnetic waves Student activity Play

Spectrum of electromagnetic waves Whiteboard exercise Play

Spectrum of electromagnetic waves Illustration Play

Spectrum of helium Illustration Play

Stationary wave in a string Student activity Play

Stationary wave in a string Whiteboard exercise Play