Multiple Choice
A nonrelativistic electron has a kinetic energy of 5.4 eV.What is the energy of a photon whose wavelength is the same as the de Broglie wavelength of the electron? (mel = 9.11 × 10-31 kg,
C = 3.00 × 108 m/s,1 eV = 1.60 × 10-19 J)
A) 2.4 keV
B) 2.2 keV
C) 2.0 keV
D) 2.5 keV
E) 2.7 keV
Correct Answer:
Verified
Correct Answer:
Verified
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