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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
If an electron has a wavelength of 0.123 nm, what is its kinetic energy, in electron-volts?  This energy is not in the relativistic region. (melectron = 9.11 × 10-31 kg, 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ∙ s)
A) 19.8 eV
B) 60.2 eV
C) 80.4 eV
D) 99.5 eV
E) 124 eV
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College Physics

College Physics


Edition: 1st
Authors:
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lyalllyall
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Chery Author
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#2
7 years ago
Looked all over the internet for this, thank you for answering correctly
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#3
4 years ago
Awesome! Thx
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#4
4 years ago
Thank you!
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#5
3 years ago
thanks!
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