What Is the Minimum Uncertainty in Determining the Position of an Electron

question 29

Multiple Choice

What is the minimum uncertainty in determining the position of an electron if the speed of the electron is $6.0 \mathrm {~km} / \mathrm { s }$ within an accuracy of $0.0040 \%$ ? (melectron $= 9.11 \times 10 ^ { - 31 } \mathrm {~kg} , h = 6.626 \times 10 ^ { - 34 }$ $\mathrm { J } \cdot \mathrm { s } )$

• A) \(0.15 \mathrm {~mm}\)
• B) \(0.11 \mathrm {~mm}\)
• C) \(0.24 \mathrm {~mm}\)
• D) \(0.48 \mathrm {~mm}\)
• E) \(0.34 \mathrm {~mm}\)

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