DISPERSION & COLOURS Flashcards
1
Q
What is a spectrum?
A
All colours together
2
Q
What is dispersion?
A
Splitting white light into spectrum
3
Q
Can you recombine a rainbow back into a white light?
A
Yes
4
Q
How are rainbows formed?
A
- Raindrops behave like small prisms
- Sunlight is refracted, reflected and dispersed
5
Q
For light, red and green = ?
A
yellow
6
Q
For light, green and blue = ?
A
cyan
7
Q
For light, red and blue = ?
A
magenta
8
Q
A filter only allows ________ of light through
A
certain colours
