According to Heisenberg uncertainty principle
Δ\(x\) x ΔP \(\underline{>}\) \(\frac{b}{4\pi}\)
⇒ 10-7 x m Δ v = \(\frac{6.62\times10^{-24}}{4\times3.14}\)
⇒ 10-7 x m x 2.4 x 10-24 = \(\frac{6.62\times10{-24}}{4\times3.14}\)
M = 0.2196 x 10-3 Kg
= 21.96 x 10-6 Kg
= 22