Learning Objective

In this lesson we will learn how visible light is composed of colours with different wavelengths.

Learning Outcomes

By the end of this lesson you will be able to:

  • Describe how light waves are electromagnetic waves.

  • Describe how visible light – white light – is composed of colours with different wavelengths.

  • Describe how light can be transmitted, reflected or absorbed by substances.

  • Differentiate between transparent, translucent and opaque substances.

  • Explain how we perceive different colours.

  • Describe how light and pigments combine to form different colours.

  • Describe polarised light.