Colours of light and filters

Descrição

GCSE Physics Quiz sobre Colours of light and filters, criado por Ellen Billingham em 04-05-2013.
Ellen Billingham
Quiz por Ellen Billingham, atualizado more than 1 year ago
Ellen Billingham
Criado por Ellen Billingham mais de 11 anos atrás
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1

Resumo de Recurso

Questão 1

Questão
What happens when you look through a filter?
Responda
  • Nothing
  • Everything seems to turn that colour

Questão 2

Questão
What happens if you look through a number of filters at the same time?
Responda
  • The colours of light you see appear darker
  • You see a rainbow

Questão 3

Questão
If you are looking through a red filter, what do objects that are red anyway look like?
Responda
  • They appear really bright so you can't miss them
  • It looks like they aren't there

Questão 4

Questão
What colour light would a green filter allow you to see?
Responda
  • Green
  • Yellow and cyan

Questão 5

Questão
If you have a white light and you put more than one filter over it, what happens?
Responda
  • It will subtract more colours from the white light.
  • It won't do anything because white light is too bright.

Questão 6

Questão
What are the three primary colours of light?
Responda
  • Red, green and blue
  • Yellow, magenta and cyan

Questão 7

Questão
What are secondary colours?
Responda
  • Different shades of the primary colours.
  • The colours you get when you mix two of the primary colours together.

Questão 8

Questão
Which two primary colours mix together to make yellow?
Responda
  • Green and red
  • Blue and green

Questão 9

Questão
Which two primary colours make cyan when they are mixed together?
Responda
  • Red and blue
  • Green and blue

Questão 10

Questão
Which two primary colours make magenta when they are mixed together?
Responda
  • Green and red
  • Red and blue

Questão 11

Questão
Why are daffodil petals yellow?
Responda
  • 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

Questão 12

Questão
If you look through a red filter, what colour would something that is cyan coloured appear to be?
Responda
  • Red
  • Black

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