Pulse Superposition

Watch two pulses traveling toward each other overlap, and see constructive and destructive interference happen in real time.

Wave Superposition (Interference)

Wave A (y₁) —
Wave B (y₂) —
Max Overlap (y) —
Interference —
Principle of Superposition
y = y₁ + y₂
When pulses completely overlap:
y = —
Resultant Amplitude —