PhysicsCode 9702
Interference
What this topic asks you to be able to do
- appreciate what is meant by the words interference and coherence
- show that you grasp the investigations that reveal two-source interference in water waves in a ripple tank, and in sound, light and microwaves
- know which conditions must hold for two-source interference fringes to be seen
- recall λ = ax /D and apply it to double-slit interference with light