Colours Flashcards
How is a rainbow created?
White light is split as it passes through droplets of water
How can you show that white light is not just one colour?
To use prism or a rain drops
What is dispersed
Split up
What is spectrum?
It is a despersal of white light; rainbow effect
What is the order that the coloura come out?
Richard of York Gave Battle In Velcro
Red Orange Yellow Green Blue Indigo Violet
Which colour has the longest wavelength?
Red
Which colour has the shortest wavelength?
Violet
If you combine all the colours together,
what do you get?
White Light
What are the primary
colours of light?
Green, red blue
What colour is produced
when blue and green
light is mixed?
Cyan
What colour comes through color filter?
Coloured filters only let their colour through
Red– >Red
The other coloura just absorbs
Why something blue looks blue in white light?
As the blue objecta reflect blue colour
When white colour hits blue filter, then red. No lights go through. Why
Because only blue colour reflects after blue filter and when it reaches red filter the filter absorb all colour except red, but res colour were abaorbed already by blue filter.
What colours do white objects reflect?
All
What colours do black objects reflect?
None, it absorbs all colour
