16 Questions
Which of the following is not a primary colour of light?
Yellow
What colour do you get when you mix red and green light?
Yellow
Which combination of primary colours of light produces white light?
Red + Green + Blue
When red and blue lights are combined, which secondary colour is produced?
Magenta
What secondary colour is produced when blue and green light overlap?
Cyan
Which of the following devices produce colours using combinations of the primary colours of light?
All of the above
In the context of light, what are the primary colours?
Red, Green, Blue
Why are the primary colours of light different from the primary colours of paint?
Which colour is formed by combining blue and green light?
Cyan
When all three primary colours of light are combined, what colour is produced?
White
What are the primary colours of light used in digital screens?
Red, Green, Blue
What resulting colour do you get when red light is added to green light?
Yellow
How are the colours on a television screen produced?
By emitting red, green, and blue light in various combinations
Which primary colours are mixed to obtain magenta?
Red and Blue
What is the nature of primary colours of light?
They can be mixed to produce all other colours of light.
How do light primary colours differ from paint primary colours?
Light colours mix additively, while paint colours mix subtractively.
Study Notes
Primary Colours of Light
- There are three primary colours of light that cannot be made by mixing any other colours of light.
- The primary colours of light are:
- Red
- Green
- Blue
Adding Colours of Light
- When the three primary colours of light overlap, they produce different colours, including:
- Red + Green = Yellow
- Red + Blue = Magenta
- Blue + Green = Cyan
- Red + Green + Blue = White
Displaying Colours on Devices
- The colours on devices such as mobile phones, computers, and televisions are produced from combinations of the three primary colours of light.
- Individual sources of red, green, and blue light can be seen on some device screens when viewed closely.
Learn about the three primary colours of light, which are the base colours from which all other colours of light can be made. Discover the difference between primary colours of light and primary colours in paints.
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