2D and 3D interference Student activity Play

2D and 3D interference Animation Play

A chord and a diameter of a circle Student activity Play

A chord and a diameter of a circle Whiteboard exercise Play

A cyclic quadrilateral Student activity Play

A diagonal of a cuboid Animation Play

A golden section Animation Play

A segment and a position vector of its midpoint Simulation Play

A segment square root of 2 units long and others Animation Play

A spherical storage tank Whiteboard exercise Play

A staircase Student activity Play

A staircase Animation Play

A symmetrical triangle on squared paper Student activity Play

Aberration Animation Play

Amplitude of a spherical wave Animation Play

Amplitude of a spherical wave Student activity Play

Amplitude of a spherical wave Animation Play

Amplitude of a spherical wave Whiteboard exercise Play

An image formed by a concave mirror Animation Play

An object brought closer to the focal point Animation Play

An object brought closer to the mirror Animation Play

Analysis of the propagation of seismic waves Slideshow Play

Angles in a cyclic quadrilateral Student activity Play

Annelids Student activity Play

Application of convex mirrors Slideshow Play