•When a1 - a2 = 180o or 540o adding of waves gives Maximum Destructive Interference
•
0o      180o    360o    540o    720o    900o
Wave 1
Wave 2
Resultant wave
Phase angle
difference between
Wave 1 & Wave 2
is 180o (a1 - a2 = 180o)
Text Box: Amplitude
Amplitude