Uncertainty Principle Problem



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Doreen Liu 4D
Posts: 54
Joined: Wed Sep 11, 2019 12:17 am

Uncertainty Principle Problem

Postby Doreen Liu 4D » Thu Oct 17, 2019 6:17 pm

What is the minimum uncertainty in the speed of an electron confined within an atom diameter of 3.50 pm?
Is the delta x in the equation the diameter? If so, do I need to change it to meters before I can use the diameter?

Mansi_1D
Posts: 50
Joined: Fri Aug 02, 2019 12:15 am

Re: Uncertainty Principle Problem

Postby Mansi_1D » Thu Oct 17, 2019 6:22 pm

Yes, delta x is 3.50 pm in the equation and you would need to convert it to meters because that's the SI unit for position.

Alexis Webb 2B
Posts: 124
Joined: Thu Jul 11, 2019 12:15 am

Re: Uncertainty Principle Problem

Postby Alexis Webb 2B » Thu Oct 17, 2019 6:23 pm

Yes, the change in position (delta x) is equal to the diameter, and if you convert to meters, it will cancel out with the meters in the units for J (kg•m^2•s^-1).

Megan Jung 3A
Posts: 50
Joined: Thu Jul 11, 2019 12:17 am

Re: Uncertainty Principle Problem

Postby Megan Jung 3A » Thu Oct 17, 2019 7:43 pm

For this problem, delta x, or uncertainty in position, would be 3.50 pm however you would have to convert it to meters to use the Heisenberg Indeterminacy equation. (10^12pm=1m).


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