Seeing colour (1.1)
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by Ingmar Griffioen
| 32 Questions
Note from the author:
seeing colour
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1
1 pt
In the rainbow you see all known colours.
True
False
2
1 pt
The rainbow consists of six colours.
True
False
3
1 pt
A red object absorbs red light
True
False
4
1 pt
A white object reflects all the light.
True
False
5
1 pt
Which colour does not belong to the six colours of the rainbow?
Red
Green
Purple
Violet
6
1 pt
Which of the following is NOT a lightsource
Sun
Moon
Halogen lamp that is switchen on
UV lamp that is switched on
7
1 pt
Explain in your own words why we see colours.

Now you can do activity 2 to 8 on page 12 in your textbook. Once you are done, use the answers below to check your work.
8
1 pt
Begrijp je de opgaven van het boek die je net gemaakt heb? Antwoord alleen ja of nee
The outlined content above was added from outside of Formative.
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Functionalized Placeholder
9
10
11
12
13
14
15
9
1 pt
Explain how we can see things.

10
1 pt
Explain what the difference is between rods and cells

11
1 pt
Which part of the eye is better at seeing colour?
Rods
Cones
12
1 pt
Which part of the eye can spot the contrast between different shades of grey?
Rods
Cones
13
1 pt
Which part is better at spotting movement?
Rods
Cones
14
1 pt
Which part is better at spotting the finer details?
Rods
Cones
15
1 pt
What is peripheral vision. (Write it in your own words, and dont copy-paste something)

16
1 pt
A colour tv only works with red, yellow and blue pixels
True
False
17
1 pt
With only three colours, you can make all the colours of the rainbow
True
False
18
1 pt
Under a coloured lamp it is possible for objects of colour to appear black.
True
False
19
1 pt
Most colour blind people can not distinguish between red and green
True
False
20
1 pt
Which colours are not observed by the cones?
Red
Yellow
Blue
None
21
1 pt
Which cones react more strongly to the light of a candle?
Red and blue
Red and green
Green and blue
22
1 pt
Why do you not see colour when observing things in the moonlight?
Rods dont see colours
Cones dont see colours
There is no colour present
23
1 pt
Which colour is NOT absorbed by a red surface?
Red
Blue
Yellow
Green
24
1 pt
Do you understand the questions from the book? If your answer is no, have another look at the video.
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25
1 pt
Why do you think there is a difference when you mix different colours of light as compared to when you mix different colours of paint?

26
1 pt
An inkjet printer usually only has four colours of ink: magenta, cyan, yellow and black.
True
False
27
1 pt
The yellow ink of a printer absorbes only one colour.
True
False
28
1 pt
Cyan absorbes red light.
True
False
29
1 pt
Which colour will you see if you project yellow on a blue screen?
Yellow
Blue
White
Black
30
1 pt
Which colour will you see if you project magenta on a red screen?
Magenta
Red
Black
White
31
1 pt
Which colour will you see if red, green and blue are projected on a white screen?
Black
White
Grey
Yellow
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32
1 pt
Do you understand the questions 16, 17 and 18?
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