If an Electron Has a Measured Wavelength of 0

question 13

Multiple Choice

If an electron has a measured wavelength of 0.832 × 10−¹⁰ m,what is its kinetic energy?
(h = 6.63 × 10−³⁴ J⋅s,1 eV = 1.6 × 10−¹⁹ J,and m_e = 9.11 × 10−³¹ kg)

• A)7640 eV
• B)418 eV
• C)334 eV
• D)218 eV
• E)​70 eV

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