ELI5: Explain Like I'm 5

Cutoff (physics)

Okay kiddo, let me tell you about cutoff in physics. When we talk about cutoff in physics, we mean the point where something stops happening. It’s like drawing a line and saying that no action can happen beyond that line.

Let’s take an example of a radio. You know how you can tune into different radio stations and listen to different music or talk shows? But there’s a point where you can’t hear anything, no matter how much you try to turn the dial. That point is called the cutoff.

This happens because the signals that the radio is picking up become too weak to be heard beyond that cutoff point. The same concept applies to other things in physics too, like light or sound waves. There’s a limit to how far they can travel before they become too weak to detect.

So, cutoff is like a boundary that determines how much energy a wave can carry. Beyond that point, the energy is lost and we can’t detect anything. It’s a pretty cool concept, isn’t it?
Related topics others have asked about: