This episode considers uses of lasers, and the underlying theory of how they work.

Lesson 16-19

This episode requires students to develop their idea of electromagnetic radiation. Since they cannot see either the wave...

Lesson 16-19

This episode extends students’ understanding of the nature of different types of electromagnetic radiation, and considers...

Lesson 16-19

This episode considers the ways in which the intensity of radiation decreases with distance from the source.

Lesson 16-19

This episode introduces the idea that vibrations can give rise to disturbances travelling outwards, i.e. to progressive waves...

Lesson 16-19

Students often confuse displacement/distance graphs (from which wavelength can be deduced) with displacement/time graphs (e.g...

Lesson 16-19

This episode considers how these three quantities are linked by the wave equation v = f × λ , measuring f using an...

Lesson 16-19

This episode starts from the phenomenon of refraction and moves on to Snell’s law.

Lesson 16-19

Total internal reflection (TIR) is a consequence of refraction.

Lesson 16-19

This episode allows you to familiarise your students with the main features of simple harmonic motion (SHM), before going on...

Lesson 16-19

The previous episode laid the qualitative foundations for what follows here: a mathematical approach to simple harmonic motion...

Lesson 16-19

This episode and the next focus on practical simple harmonic motion (SHM) systems.

Lesson 16-19