Physics - Waves - Behavior - Interference - Constructive and Destructive Interference

A 5-step lesson. Step 1: 'Superposition: When two waves meet, the resulting displacement is the SUM of individual displacements. Waves pass through each other unchanged after meeting.' Step 2: 'Constructive interference: Waves in phase (path difference = 0, λ, 2λ, ...). Crests meet crests → amplitud