# How certain do we have to get about a particle's position ?

1. Sep 18, 2013

### B4ssHunter

The basic formula is "($\Delta x)(\Delta p)= h$) where $\Delta x$ is the uncertainty in the position, $\Delta p$ is the uncertainty in the momentum and "h" is "Plank's constant", about $6.26\times 10^{-34}$ "Joule seconds".