Question

an electron is confined to a molecule of length one nanometer.what is its minimum energy?what is the probability of finding it,in the region of molecule lying between x=0 andx=0.2nm​

Answer 1

Here Δx=1nm=10−9m

By Heisenberg uncertainty principle, ΔxΔp=h

∴ Δp=Δxh=2πΔxh    [∵h=2πh]

          =2×π×10−96.63×10−34=1.05×10−25kgms−1

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