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70244
Colours of light and filters
Description
GCSE Physics Quiz on Colours of light and filters, created by Ellen Billingham on 04/05/2013.
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physics
physics
gcse
Quiz by
Ellen Billingham
, updated more than 1 year ago
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Created by
Ellen Billingham
over 11 years ago
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Resource summary
Question 1
Question
What happens when you look through a filter?
Answer
Nothing
Everything seems to turn that colour
Question 2
Question
What happens if you look through a number of filters at the same time?
Answer
The colours of light you see appear darker
You see a rainbow
Question 3
Question
If you are looking through a red filter, what do objects that are red anyway look like?
Answer
They appear really bright so you can't miss them
It looks like they aren't there
Question 4
Question
What colour light would a green filter allow you to see?
Answer
Green
Yellow and cyan
Question 5
Question
If you have a white light and you put more than one filter over it, what happens?
Answer
It will subtract more colours from the white light.
It won't do anything because white light is too bright.
Question 6
Question
What are the three primary colours of light?
Answer
Red, green and blue
Yellow, magenta and cyan
Question 7
Question
What are secondary colours?
Answer
Different shades of the primary colours.
The colours you get when you mix two of the primary colours together.
Question 8
Question
Which two primary colours mix together to make yellow?
Answer
Green and red
Blue and green
Question 9
Question
Which two primary colours make cyan when they are mixed together?
Answer
Red and blue
Green and blue
Question 10
Question
Which two primary colours make magenta when they are mixed together?
Answer
Green and red
Red and blue
Question 11
Question
Why are daffodil petals yellow?
Answer
Because the pigments in them absorb blue light, so only red and green are there and they make yellow.
Because that's what colour they are in their DNA
Question 12
Question
If you look through a red filter, what colour would something that is cyan coloured appear to be?
Answer
Red
Black
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