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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 the de Broglie wavelength of an electron is 380 nm, what is the speed of this electron? (melectron = 9.11 × 10-31 kg, h = 6.626 × 10-34 J ∙ s)
A) 2.0 km/s
B) 3.8 km/s
C) 1.9 km/s
D) 4.1 km/s
E) 5.2 km/s
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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noreyaganoreyaga
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7 years ago
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Chery Author
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#2
7 years ago
You're right again!

Appreciate it
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