Interference Flashcards
1
Q
What are coherent waves?
A
Coherent waves are waves with a constant phase relationship.
2
Q
What is constructive interference?
A
When two waves meet trough to trough and crest to crest
3
Q
What is destructive interference?
A
When two waves meet crest to trough
4
Q
What happens when you increase the wavelength of a light source?
A
As wavelength increases sin(theta) increases so theta increases.
5
Q
What happens when you decrease slit separation?
A
You increase distance between maxima.
6
Q
What happens when you move the screen further away from the light source?
A
You increase the distance between maxima.
