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SS2: PHYSICS - 3RD TERM
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Waves I3 Topics|1 Quiz
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Light Waves3 Topics|1 Quiz
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Reflection of Light Waves at Plane Surfaces4 Topics|1 Quiz
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Curved Mirrors7 Topics|1 Quiz
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Refraction of Light7 Topics|1 Quiz
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Dispersion of White Light2 Topics|1 Quiz
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Refraction of Light through Lenses6 Topics|1 Quiz
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Application of Lenses in Optical Instruments10 Topics|1 Quiz
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Sound Waves7 Topics|1 Quiz
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Vibration in Springs & Pipes4 Topics|1 Quiz
Lesson 6,
Topic 2
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Colours
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Topic Content:
- Colours
- Additive Colour Mixing
- Subtractive Colour Mixing
- Filters
- Colours of Objects
Colours generally are divided into two namely primary colours and secondary colours.
Primary colours are colours that can be mixed together to form other colours. They are red, blue and green. These colours cannot be obtained by mixing other colours together.
Secondary colours are colours obtained by mixing two primary colours together. They are yellow, magenta, and cyan.

Additive Colour Mixing:
The addition of two primary colours produces a new colour called secondary colour. From the diagram, they are yellow, magenta and cyan.

When two colours
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