Podcast
Questions and Answers
Which of the following is not a primary colour of light?
Which of the following is not a primary colour of light?
- Yellow (correct)
- Red
- Green
- Blue
What colour do you get when you mix red and green light?
What colour do you get when you mix red and green light?
- Yellow (correct)
- Cyan
- White
- Magenta
Which combination of primary colours of light produces white light?
Which combination of primary colours of light produces white light?
- Red + Green
- Red + Blue
- Blue + Green
- Red + Green + Blue (correct)
When red and blue lights are combined, which secondary colour is produced?
When red and blue lights are combined, which secondary colour is produced?
What secondary colour is produced when blue and green light overlap?
What secondary colour is produced when blue and green light overlap?
Which of the following devices produce colours using combinations of the primary colours of light?
Which of the following devices produce colours using combinations of the primary colours of light?
In the context of light, what are the primary colours?
In the context of light, what are the primary colours?
Why are the primary colours of light different from the primary colours of paint?
Why are the primary colours of light different from the primary colours of paint?
Which colour is formed by combining blue and green light?
Which colour is formed by combining blue and green light?
When all three primary colours of light are combined, what colour is produced?
When all three primary colours of light are combined, what colour is produced?
What are the primary colours of light used in digital screens?
What are the primary colours of light used in digital screens?
What resulting colour do you get when red light is added to green light?
What resulting colour do you get when red light is added to green light?
How are the colours on a television screen produced?
How are the colours on a television screen produced?
Which primary colours are mixed to obtain magenta?
Which primary colours are mixed to obtain magenta?
What is the nature of primary colours of light?
What is the nature of primary colours of light?
How do light primary colours differ from paint primary colours?
How do light primary colours differ from paint primary colours?
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.
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Description
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.
