Wave-particle duality means that tiny things like light and electrons can act both like waves and like particles, depending on how we look at them.
Imagine you have a bag of marbles. If you pour them out onto the floor, they roll around, just like little balls. That's like being a particle. Now imagine you shake a jump rope up and down, it makes ripples that go across the floor. That’s like being a wave.
Now picture a special kind of marble that can do both! When we're not watching it closely, it behaves like a wave, maybe even spreading out to go through two slits at once. But when we look at it, poof! It becomes a particle again, like one of your marbles, sitting in one place.
This happens because tiny things are not like the marbles or jump ropes we know, they're more like secret agents who can be in two places at once until someone checks on them!
So sometimes, these little things act like waves; other times, they act like particles. It's like having a friend who can be both a dancer and a singer, it all depends on what you're watching them do!
Examples
- Light can act like a ball or a ripple, depending on how you look at it.
- A cat walking through two doors might leave one trail or two, depending on how you watch it.
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See also
- What are the fundamental principles of quantum physics?
- What is the Uncertainty Principle?
- How Can a Single Atom Be Both a Particle and a Wave?
- What is the dual nature of light?
- What are bosons?