Dispersion Flashcards
1
Q
Define dispersion
A
A beam of white light is directed into a prism it separates into its’ 7 colours
2
Q
7 colours of dispersion?
A
Red, orange, yellow, green, blue, indigo, violet
3
Q
What is this band of colours called?
A
Spectrum
4
Q
What causes the colours to disperse?
A
When each colour in white light changes by speed in a different amount, it refracts by a different amount and has a different angle of refraction