Test
Colours of light and filters
Preguntas del test (12)
1What happens when you look through a filter?
- ANothing
- BEverything seems to turn that colour
2What happens if you look through a number of filters at the same time?
- AThe colours of light you see appear darker
- BYou see a rainbow
3If you are looking through a red filter, what do objects that are red anyway look like?
- AThey appear really bright so you can't miss them
- BIt looks like they aren't there
4What colour light would a green filter allow you to see?
- AGreen
- BYellow and cyan
5If you have a white light and you put more than one filter over it, what happens?
- AIt will subtract more colours from the white light.
- BIt won't do anything because white light is too bright.
6What are the three primary colours of light?
- ARed, green and blue
- BYellow, magenta and cyan
7What are secondary colours?
- ADifferent shades of the primary colours.
- BThe colours you get when you mix two of the primary colours together.
8Which two primary colours mix together to make yellow?
- AGreen and red
- BBlue and green
9Which two primary colours make cyan when they are mixed together?
- ARed and blue
- BGreen and blue
10Which two primary colours make magenta when they are mixed together?
- AGreen and red
- BRed and blue
11Why are daffodil petals yellow?
- ABecause the pigments in them absorb blue light, so only red and green are there and they make yellow.
- BBecause that's what colour they are in their DNA
12If you look through a red filter, what colour would something that is cyan coloured appear to be?
- ARed
- BBlack
Información
- Descripción
- GCSE Physics Test sobre Colours of light and filters, creado por Ellen Billingham el 04/05/2013.
- Autor
- Ellen Billingham
- Idioma
- English
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- 972
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