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Tags: Relation, Heisenberg

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Posted: 2013-07-07
Uncertainty relation
Uncertainty relation
$$\Delta p \Delta x \geq {h \over 4 \pi}$$

This relation is called Heisenbergs uncertainty relation and tells us how a precise measurement in position ($x$) yields a spread in the momentum ($p$) or vice versa. Here $h$ is a very small quantity $\sim 10^{-34}Js$ and is called Planck's constant.