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because they break up light :)
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∙ 13y ago
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What is the piece of coloured plastic called that only lets some colors of light through?
Light filters.
What happens to colours of light that do not pass through filters?
is past through
Why ll a light fitted with both blue and green filters appear black?
The blue filter allows only blue light to pass and blocks red and green light. The green filter allows only green light to pass and blocks red and blue light. Therefore, the two filters together block all light.
What would you see if you passed white light through blue and then red filters?
Magenta.
What do red filters do to white light?
They appear red and absorb all the other colours.
Why are plastic and glass called filters?
It filters the light through
What is the piece of coloured plastic called that only lets some colors of light through?
Light filters.
What tools block some colors of light?
"filters"
What is a color filter and how does it work?
Color filters transmit visible wavelengths of light. Different colors respond to different wavelengths of light. Some filters work by absorbing light, while others reflect.
What happens when you put a green light and a blue light together?
Nothing. The light gets blocked by the filters.
Can any filters be used when taking fireworks pictures with a dslr camera?
Filters aren't really good for fireworks. You want all the light you can get and all filters cut light down a little bit. Further, you can get sun spots on the image.
What are your blood filters called?
Kidneys
What is the small knob that filters lymph called?
it is called fibrin
Do ozone filters out ultra violent light?
Ozone filters out UV-B radiations only. These are the highest frequency radiations of sun.
When light is passed through several color filters it becomes what?
Dimmer
What happens to colours of light that do not pass through filters?
is past through
Why ll a light fitted with both blue and green filters appear black?
The blue filter allows only blue light to pass and blocks red and green light. The green filter allows only green light to pass and blocks red and blue light. Therefore, the two filters together block all light.
