Uncertainty Principle Question

  • #1
Let's say a proton is confined to some diameter, d. What would be the uncertainty in the position?

In some questions they use delx as (1/2)d as the uncertainty in position. In other cases they use the entire d as the uncertainty. This is extremely confusing...
 
Last edited:

Answers and Replies

  • #2
529
1
Must be d/2

If I guess that the proton is in the middle, then the most I can be wrong by is d/2.
 

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