[ઇલેક્ટ્રોનનું દળ $\left.=9.1 \times 10^{-31}\, {~kg}, {~h}=6.63 \times 10^{-34}\, {~J} {~s}, \pi=3.14\right]$
According to Heisenberg uncertainty principle
\(\Delta {X} \cdot \Delta {v}=\frac{{h}}{4 \pi \,{m}}\)
\({x} \times 10^{-9} \times 10^{3}=\frac{6.63 \times 10^{-34}}{4 \times 3.14 \times 9.1 \times 10^{-31}}\)
\({X} \times 10^{-9} \times 10^{3}=0.058 \times 10^{-3}\)
\({x}=\frac{0.058 \times 10^{-6}}{10^{-9}}=58\)