The uncertainty in the momentum of an eklectron is 10×10−5kgms−1.The uncertainty in its position will be:
(h=6.62×10−34kgm2s−1)
1.05×10−26
5.27×10−31
1.05×10−28
5.25×10−28
A
1.05×10−26
B
1.05×10−28
C
5.25×10−28
D
5.27×10−31
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Solution
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Uncertainty in momentum ΔP=10×10−5kgms−1
According to Heisenberg uncertainty principle
ΔP⋅Δx≥h4z
10×10−5Δx≥6.626×10−344×3.14
Δx≥6.626×10−344×3.14×10×10−5
Δx≥0.5275×10−30
Δx≥5.275×10−31.
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