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Question

The uncertainty of a particle in momentum is 3.3×102 kg ms1. Calculate the uncertainty in its position. (h=6.6×1034Jsec).
  1. 1.1×1014m
  2. 1.59×1033m
  3. 3.1×1014cm
  4. none of these

A
none of these
B
1.1×1014m
C
3.1×1014cm
D
1.59×1033m
Solution
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According to uncertainty principle
Δx.Δp=>h/4π
Putting the values
Δx=6.6×10344×3.14×(3.3×102)

Δx=1.59×1033m

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