## Heisenberg Uncertainty Principle

$\Delta p \Delta x\geq \frac{h}{4\pi }$

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Amina Durrani 3G
Posts: 52
Joined: Sat Jul 20, 2019 12:16 am

### Heisenberg Uncertainty Principle

I know that the Heisenberg Uncertainty Principle tells us that there is a physical limit to the minimum size that atoms can exist, but is there a maximum size too? If so how could we calculate that?

preyasikumar_2L
Posts: 101
Joined: Fri Aug 09, 2019 12:17 am

### Re: Heisenberg Uncertainty Principle

I think there is a maximum size, but I don't think we know what it is. Not going by the Heisenberg Uncertainty Principle and just going by nuclear attractive forces, bigger nuclei are unstable, which is why they are short-lived and decay quickly. There will be a point where if you keep adding protons or neutrons they just won't be bound anymore.

Milisuryani Santoso 1L
Posts: 44
Joined: Thu Jul 11, 2019 12:15 am

### Re: Heisenberg Uncertainty Principle

Well there definitely has to be a limit, otherwise there'd be atoms that'd become so huge, we'd be able to see them with our naked eyes (which doesn't happen). So, yes, but I don't think we have to know that limit for the scope of this class.

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