What is the uncertainty in position if the uncertainty in momentum of a particle is 1.0 x 10^-24 kg m/s?

Practice Questions

1 question
Q1
What is the uncertainty in position if the uncertainty in momentum of a particle is 1.0 x 10^-24 kg m/s?
  1. 1.0 x 10^-10 m
  2. 6.63 x 10^-10 m
  3. 1.0 x 10^-34 m
  4. 6.63 x 10^-34 m

Questions & Step-by-step Solutions

1 item
Q
Q: What is the uncertainty in position if the uncertainty in momentum of a particle is 1.0 x 10^-24 kg m/s?
Solution: Using Heisenberg's uncertainty principle, ΔxΔp ≥ ħ/2, we find Δx ≥ ħ/(2Δp) = (1.055 x 10^-34)/(2 x 1.0 x 10^-24) = 5.27 x 10^-11 m.
Steps: 10

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