Addition and Subtraction of light Form 1

What colours is white light made from?

• Orange, Green, Pink, Magenta, Peach, Rose, Lemon

• Red, Orange Yellow, Green, Black, Indigo, Violet

• Red, Orange, Yellow, Green, Blue, Indigo, Violet

• Red, Orange, Yellow, Grey, Blue, Indigo, Violet

Which of the following is NOT a primary color of light?

• Red

• Blue

• Yellow

• Green

The process of mixing primary coloured lights to produce secondary coloured lights.

This process related to

• Dispersion of light

• Addition of light

• Subtraction of light

• Refraction of light

The light which has the same colour as the colour of the opaque objects will reflected directly into our eyes, while the light of other colours will be absorbed by objects. This phenomenon is known as

• Dispersion of light

• Addition of light

• Subtraction of light

• Refraction of light

Which of the following is NOT a secondary colours

• Cyan

• White

• Yellow

• Magenta

Diagram shows light colour addition. What colour is P?

• Magenta

• Yellow

• Cyan

• White

Which pair of colours do NOT combine to make the correct secondary colours?

• Red + Blue = Magenta

• Red + Green = Yellow

• Blue + Green = Cyan

• Red + Yellow = Green

Diagram shows light colour addition. What colour is formed at X?

• White

• Black

Only allow the light of the same colour to pass through, light of other colours are absorbed.

• Primary colour filters

• Secondary colour filters

Which color will pass through the filter?

• Red only

• Blue and Violet

• Green

• All colors