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Standard XII
Chemistry
Heisenberg's Uncertainty Principle
Question

The uncertainty in the momentum of a particle is 3.3×10−2kgms−1. Calculate the uncertainty in its position:
  1. 1.6×10−33m
  2. 1.6×10−32m
  3. 16×10−30m
  4. 1.6×10−30m

A
1.6×10−33m
B
1.6×10−30m
C
16×10−30m
D
1.6×10−32m
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Solution
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Given :

ΔP = 3.3×10−2kg

According to uncertainty principle,

Δx×ΔP≈h4π

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