Multiple Choice
If an electron has a measured wavelength of 1.20 × 10−10 m,what is its kinetic energy? (h = 6.63 × 10−34 J⋅s,1 eV = 1.6 × 10−19 J,and me = 9.11 × 10−31 kg)
A) 209 eV
B) 55.0 eV
C) 105 eV
D) 147 eV
Correct Answer:
Verified
Correct Answer:
Verified
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