School of Physics Lecture Demonstration Manual

Of-6 Colour Addition

Published: Wednesday 15 March 2006 - Updated: Monday 28 March 2011

Aim

To demonstrate the laws of colour addition.

Apparatus

Diagrams

Click on pictures to enlarge.

Colour Addition Apparatus

Colour Addition 1

Colour Addition 2

Colour Addition 3

Colour Addition 4

Videos

Colour Addition

Description

Three slide projectors controlled by independent dimmer switches allow the phenonemon of colour addition to be investigated. A range of filters is available including the three primary colours. The projectors are directed onto the front projection screen with a suitable overlap.

Safety notes

Electrical safety 

Maintenance 

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