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Subtractive mixing

Subtractive mixing

LP5.2.3.5

Subtractive mixing

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Description

In this experiment the students learn about the absorbing effect of colour filters. They examine the light transmission of the cyan, yellow and magenta filters. This varies depending on whether 1, 2 or 3 filters are used. The students find out that subtractive mixing is also possible with white 2ndary light sources.

Components of equipment sets

1	46795 8	Colour filter set, primary
1	46796 8	Colour filter set, secondary
1	46082 8	Precision metal rail, 50 cm
1	459094 4	LED lamp
1	459095 4	Plug-in power supply USB 5 V DC (A socket)
1	459096 4	Cable USB (USB Type A - Mini-USB)
1	45933 4	Diaphragm and slide holder on rod
1	45962 4	Lens on rod f = +100 mm
1	45960 4	Lens on rod f = +50 mm
1	45924 4	Translucent screen on rod
1	31178 4	Tape measure 2 m / 1 mm
5	46095 4	Clamp rider
1	45930 4	Plate holder on rod

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Subtractive mixing

Description

Components of equipment sets

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