The Energy of an Electron State Has an Uncertainty of 0.500

question 28

Multiple Choice

The energy of an electron state has an uncertainty of 0.500 eV. What is the minimum uncertainty in the lifetime of the level? ( = 1.055 × 10^-34 J ∙ s = 6.591 × 10^-16 eV ∙ s, 1 eV = 1.60 × 10^-19 J)

• A) 6.59 × 10^-16 s
• B) 4.14 × 10^-15 s
• C) 6.59 × 10^-12 s
• D) 4.14 × 10^-11 s
• E) 6.59 × 10^-9 s

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