Leumas Physics

Heisenberg Uncertainty (Position-Momentum)

delta_p = ħ / (2·Δx)

What it says

The least momentum uncertainty compatible with knowing position to a given precision.

Symbols

SymbolQuantityDimension
delta_pMomentum uncertainty (kg·m/s)M L T^-1
ΔxPosition uncertainty (m)L

Work it out

Enter what you know. No account needed.

Fill in all but one: Δx, delta_p are all empty.

Filed under Quantum · derive through it in the explorer