If an Electron Has a Measured Wavelength of 0

question 54

Multiple Choice

If an electron has a measured wavelength of 0.850 x 10^-10 m,what is its kinetic energy? (h = 6.63 x 10^-34 J*s,1 eV = 1.6 x 10^-19 J,and m_e = 9.11 x 10^-31 kg)

• A)55.0 eV
• B)104 eV
• C)147 eV
• D)209 eV

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Definitions:

Utilitarianism

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Ethical approach that focuses on the nature of relationships to guide participants in making difficult decisions, especially relationships in which power is unequal or in which a point of view has become ignored or invisible.