Reflex angles Animation Play

Reflex angles Student activity Play

Reflex angles – activity Whiteboard exercise Play

Refraction of light Student activity Play

Refraction of plane waves Simulation Play

Refraction of plane waves Animation Play

Refraction of plane waves Whiteboard exercise Play

Refraction of plane waves Student activity Play

Regular pentagon Animation Play

Regular polygons and their exterior angles Whiteboard exercise Play

Regular tetrahedron Whiteboard exercise Play

Regular tetrahedrons Student activity Play

Relationship between electromagnetic force and the position of the conductor 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 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

Resolution of optical devices Student activity Play

Resolution of optical devices Animation Play

Roots of roots – finding true equations Whiteboard exercise Play

Roots of roots – more examples of true or false equations Whiteboard exercise Play

Rotation Whiteboard exercise Play

Rotation Animation Play

Rotation Student activity Play

Rotation in the coordinate system Student activity Play