3.3.2.1 Interference Flashcards
1
Q
What is Path difference?
A
The difference in distance travelled by 2 waves from their sources to the point where they meet
2
Q
When are 2 waves coherent?
A
When they have the same frequency and a constant phase difference
3
Q
If two waves have travelled the same distance to get to one point, what is the path difference?
A
The Path difference is 0
