Explain Heisenberg's uncertainty principle .

Explanation

Heisenberg uncertainty principle : "Simultaneous and exact determination of the position and momentum of a sub-atomic particle, like electron moving with high speed is impossible."
If `Deltax` and `Deltap` represents the uncertainities in the position and momentum respectively. Then according to Heisenberg
`Deltax.Deltapge(h)/(4pi)" "(1)`
The product of uncertainties in position `(Deltax)` and momentum `(Deltap)` of an electron cannot be less `(h)/(4pi)`. It can be equal or greater than `(h)/(4pi)`.
Since momentum = mașs x velocity, the equation (1) can be written as
`Deltaxxm(Deltav)ge(h)/(4pi)=DeltaxxDeltavge(h)/(4pim)`
If the position is determined accurately `Deltax=0` and `Deltav=prop`. That means the inaccuracy in measuring the velocity is `prop`, If velocity is determined accurately `Deltav=0` and `Deltax=prop`.