Reflectors Whiteboard exercise Play

Reflectors Student activity Play

Reflex angles Student activity Play

Reflex angles Animation Play

Reflex angles – activity Whiteboard exercise Play

Refraction of light Student activity Play

Refraction of plane waves Simulation Play

Refraction of plane waves Student activity Play

Refraction of plane waves Animation Play

Refraction of plane waves Whiteboard exercise Play

Regular pentagon Animation Play

Regular polygons Simulation Play

Regular polygons and their exterior angles Whiteboard exercise Play

Regular shapes Student activity Play

Regular tetrahedron Whiteboard exercise Play

Regular tetrahedrons Student activity Play

Relationship between electromagnetic force and the position of the conductor Simulation Play

Relationship between electromagnetic force and the position of the conductor Student activity Play

Relationship between electromagnetic force and the position of the conductor Whiteboard exercise Play

Relationship between momentum and energy Student activity Play

Relationship between the electromagnetic force and the length of a conductor Student activity Play

Repulsion between current-carrying conductors Animation Play

Resolution of optical devices Student activity Play

Resolution of optical devices Animation Play

Rhombuses and squares Student activity Play