A Nonrelativistic Electron Is Confined to a Length of 500

question 31

Multiple Choice

A nonrelativistic electron is confined to a length of 500 pm on the x-axis.What is the kinetic energy of the electron if its speed is equal to the minimum uncertainty possible in its speed? (h = 1.055 × 10^-34 J • s,m_el = 9.11 × 10^-31 kg,1 eV = 1.60 × 10^-19 J)

• A) 0.00038 eV
• B) 0.0038 eV
• C) 0.038 eV
• D) 0.38 eV
• E) 3.8 eV

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