Rainbows Flashcards
1
Q
When light travels in different materials, its ______ will change
A
Speed
2
Q
What do we call this change of speed (and possibly direction)
A
Refraction
3
Q
When a white light refracts, what does it do?
A
Spread out into many colours
4
Q
What is the order of the colours?
A
Red, orange, yellow, green, blue, indigo, violet
5
Q
What are the three ways to make colours
A
Coloured filters, coloured objects, dispersion
6
Q
The light from the sun is _________ when it enters each raindrop
A
Dispersed
7
Q
The colours are _______ from the back of the raindrop
A
Reflected
