An Electron That Is Not Localized in Space Is Described

question 20

Multiple Choice

An electron that is not localized in space is described by the wave function Ψ = A sin kx - ωt) . The kinetic energy of the electron is 10 keV. The value of ω is approximately

• A) 1.5 × 10¹⁹ s^-1.
• B) 3.0 × 10¹⁹ s^-1.
• C) 4.5 × 10¹⁹ s^-1.
• D) 1.5 × 10²¹ s^-1.
• E) 3.0 × 10²¹ s^-1.

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