Cosmic microwave background radiation (CMB) Student activity Play

Cosmic microwave background radiation (CMB) Simulation Play

CPU timing Whiteboard exercise Play

Critical angle Student activity Play

Decibel Student activity Play

Decibel Simulation Play

Decibel Whiteboard exercise Play

Density and the speed of light Animation Play

Density and the speed of light Student activity Play

Density of transparent materials Slideshow Play

Depletion of the ozone layer Slideshow Play

Derivation of the formula Animation Play

Derivation of the formula Animation Play

Devices that use microwaves Slideshow Play

Diffraction Slideshow Play

Diffraction Chart Play

Diffraction Whiteboard exercise Play

Diffraction Student activity Play

Diffraction and interference Class activity Play

Diffraction and interference Whiteboard presentation Play

Diffraction and interference Class activity Play

Diffraction and interference Whiteboard presentation Play

Diffraction and interference of mechanical waves Class activity Play

Diffraction and interference of mechanical waves Whiteboard presentation Play

Diffraction and interference of mechanical waves Whiteboard presentation Play