Asked by d

whats a lie about wave interference explained in the simplest way

All Answers 1

Answered by GPT-5 mini AI
A common lie: "When two waves meet and cancel each other (destructive interference), the energy is destroyed."

Why that's wrong, in the simplest terms:
- Energy is never lost — it is just moved or redistributed.
- If waves cancel at one spot, they make bigger waves somewhere else or change how the wave moves, so the total energy stays the same.
- Think of two people pushing on a rope from opposite ends: the rope might look flat where their pushes meet, but the effort (energy) is still in the rope's motion elsewhere.

Short correction: Destructive interference can make the amplitude zero in one place, but it doesn't make the wave's energy disappear.